113404336431 has 32 divisors (see below), whose sum is σ = 156800157696. Its totient is φ = 72828672000.

The previous prime is 113404336427. The next prime is 113404336439. The reversal of 113404336431 is 134633404311.

It is not a de Polignac number, because 113404336431 - 2² = 113404336427 is a prime.

It is a super-2 number, since 2×113404336431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113404336392 and 113404336401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113404336439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37290271 + ... + 37293311.

It is an arithmetic number, because the mean of its divisors is an integer number (4900004928).

Almost surely, 2^113404336431 is an apocalyptic number.

113404336431 is a deficient number, since it is larger than the sum of its proper divisors (43395821265).

113404336431 is a wasteful number, since it uses less digits than its factorization.

113404336431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 113404336431 in words is "one hundred thirteen billion, four hundred four million, three hundred thirty-six thousand, four hundred thirty-one".