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23311330221131 = 229241422390879
BaseRepresentation
bin1010100110011100101111…
…00011101001110001001011
310001112112121200110200022122
411103032113203221301023
511023413101014034011
6121325024404441455
74624121331343121
oct523162743516113
9101475550420278
1023311330221131
117478309203927
122745a853a928b
1310013310b94a4
145a83bad65911
152a65ab8063db
hex1533978e9c4b

23311330221131 has 8 divisors (see below), whose sum is σ = 23510276380800. Its totient is φ = 23113228844160.

The previous prime is 23311330221061. The next prime is 23311330221169. The reversal of 23311330221131 is 13112203311332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23311330221131 - 234 = 23294150351947 is a prime.

It is a super-2 number, since 2×233113302211312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23311330221131.

It is not an unprimeable number, because it can be changed into a prime (23311330221631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211140251 + ... + 211250628.

It is an arithmetic number, because the mean of its divisors is an integer number (2938784547600).

Almost surely, 223311330221131 is an apocalyptic number.

23311330221131 is a deficient number, since it is larger than the sum of its proper divisors (198946159669).

23311330221131 is a wasteful number, since it uses less digits than its factorization.

23311330221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422391349.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 23311330221131 its reverse (13112203311332), we get a palindrome (36423533532463).

The spelling of 23311330221131 in words is "twenty-three trillion, three hundred eleven billion, three hundred thirty million, two hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 229 241 55189 422390879 96727511291 101796201839 23311330221131