113431340420402 has 32 divisors (see below), whose sum is σ = 178626168000000. Its totient is φ = 53952392406528.

The previous prime is 113431340420393. The next prime is 113431340420413. The reversal of 113431340420402 is 204024043134311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43951652 + ... + 46460847.

It is an arithmetic number, because the mean of its divisors is an integer number (5582067750000).

Almost surely, 2^{113431340420402} is an apocalyptic number.

113431340420402 is a deficient number, since it is larger than the sum of its proper divisors (65194827579598).

113431340420402 is a wasteful number, since it uses less digits than its factorization.

113431340420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90412850.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 113431340420402 its reverse (204024043134311), we get a palindrome (317455383554713).

The spelling of 113431340420402 in words is "one hundred thirteen trillion, four hundred thirty-one billion, three hundred forty million, four hundred twenty thousand, four hundred two".