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31100301130312 = 2343862310484501
BaseRepresentation
bin1110001001001000110100…
…11001101011101001001000
311002010011022110101112100101
413010210122121223221020
513034021404042132222
6150051140415015144
76356631311601541
oct704443231535110
9132104273345311
1031100301130312
119a00622228777
1235a3543b0a4b4
13144799071c92b
1479739683d4c8
1538decbe0d927
hex1c491a66ba48

31100301130312 has 32 divisors (see below), whose sum is σ = 59676107863680. Its totient is φ = 15186756312000.

The previous prime is 31100301130279. The next prime is 31100301130321. The reversal of 31100301130312 is 21303110300113.

It is a self number, because there is not a number n which added to its sum of digits gives 31100301130312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275939 + ... + 8208562.

It is an arithmetic number, because the mean of its divisors is an integer number (1864878370740).

Almost surely, 231100301130312 is an apocalyptic number.

It is an amenable number.

31100301130312 is a deficient number, since it is larger than the sum of its proper divisors (28575806733368).

31100301130312 is a wasteful number, since it uses less digits than its factorization.

31100301130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493173 (or 10493169 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31100301130312 its reverse (21303110300113), we get a palindrome (52403411430425).

The spelling of 31100301130312 in words is "thirty-one trillion, one hundred billion, three hundred one million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 43 86 172 344 8623 17246 34492 68984 370789 741578 1483156 2966312 10484501 20969002 41938004 83876008 450833543 901667086 1803334172 3606668344 90407852123 180815704246 361631408492 723262816984 3887537641289 7775075282578 15550150565156 31100301130312