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31234231100113 = 235209260704559
BaseRepresentation
bin1110001101000010010010…
…01111111110001011010001
311002120222000021020221001021
413012201021033332023101
513043220201130200423
6150232450243035441
76402412235552026
oct706411117761321
9132528007227037
1031234231100113
119a523aa1aa328
1236054a096bb81
1314574b5866682
1479da5dc2d54d
15392719cb295d
hex1c68493fe2d1

31234231100113 has 8 divisors (see below), whose sum is σ = 32598498182400. Its totient is φ = 29870485437408.

The previous prime is 31234231100101. The next prime is 31234231100143. The reversal of 31234231100113 is 31100113243213.

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 31234231100113 - 229 = 31233694229201 is a prime.

It is a super-2 number, since 2×312342311001132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234231100143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130232473 + ... + 130472086.

It is an arithmetic number, because the mean of its divisors is an integer number (4074812272800).

Almost surely, 231234231100113 is an apocalyptic number.

It is an amenable number.

31234231100113 is a deficient number, since it is larger than the sum of its proper divisors (1364267082287).

31234231100113 is a wasteful number, since it uses less digits than its factorization.

31234231100113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260709791.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31234231100113 its reverse (31100113243213), we get a palindrome (62334344343326).

The spelling of 31234231100113 in words is "thirty-one trillion, two hundred thirty-four billion, two hundred thirty-one million, one hundred thousand, one hundred thirteen".

Divisors: 1 23 5209 119807 260704559 5996204857 1358010047831 31234231100113