113406631231 has 16 divisors (see below), whose sum is σ = 121698086400. Its totient is φ = 105420601440.

The previous prime is 113406631199. The next prime is 113406631279. The reversal of 113406631231 is 132136604311.

It is a cyclic number.

It is not a de Polignac number, because 113406631231 - 2⁵ = 113406631199 is a prime.

It is a super-2 number, since 2×113406631231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113406631193 and 113406631202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113406631931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91300 + ... + 484921.

It is an arithmetic number, because the mean of its divisors is an integer number (7606130400).

Almost surely, 2^113406631231 is an apocalyptic number.

113406631231 is a deficient number, since it is larger than the sum of its proper divisors (8291455169).

113406631231 is a wasteful number, since it uses less digits than its factorization.

113406631231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576486.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 113406631231 in words is "one hundred thirteen billion, four hundred six million, six hundred thirty-one thousand, two hundred thirty-one".