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2231101233100 = 2252113451743711
BaseRepresentation
bin100000011101110111111…
…111110001011111001100
321220021212021120212122201
4200131313333301133030
5243023243403424400
64424542002251244
7320122524401035
oct40356777613714
97807767525581
102231101233100
11790228532813
1230049b356b24
1313251313b64c
1479db3359a8c
153d081aa706a
hex20777ff17cc

2231101233100 has 72 divisors (see below), whose sum is σ = 4885527806208. Its totient is φ = 884326732800.

The previous prime is 2231101233073. The next prime is 2231101233103. The reversal of 2231101233100 is 13321011322.

It is a super-3 number, since 3×22311012331003 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231101233103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51020245 + ... + 51063955.

It is an arithmetic number, because the mean of its divisors is an integer number (67854552864).

Almost surely, 22231101233100 is an apocalyptic number.

2231101233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231101233100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2442763903104).

2231101233100 is an abundant number, since it is smaller than the sum of its proper divisors (2654426573108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231101233100 is a wasteful number, since it uses less digits than its factorization.

2231101233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48355 (or 48348 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2231101233100 its reverse (13321011322), we get a palindrome (2244422244422).

The spelling of 2231101233100 in words is "two trillion, two hundred thirty-one billion, one hundred one million, two hundred thirty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 113 226 452 565 1130 2260 2825 4517 5650 9034 11300 18068 22585 43711 45170 87422 90340 112925 174844 218555 225850 437110 451700 510421 874220 1020842 1092775 2041684 2185550 2552105 4371100 4939343 5104210 9878686 10208420 12760525 19757372 24696715 25521050 49393430 51042100 98786860 123483575 197442587 246967150 394885174 493934300 789770348 987212935 1974425870 3948851740 4936064675 9872129350 19744258700 22311012331 44622024662 89244049324 111555061655 223110123310 446220246620 557775308275 1115550616550 2231101233100