113534431204131 has 48 divisors (see below), whose sum is σ = 187932742156224. Its totient is φ = 64700061541632.

The previous prime is 113534431204109. The next prime is 113534431204153. The reversal of 113534431204131 is 131402134435311.

113534431204131 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 3 + 4 + 431 + 204 + 13 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (113534431204109) and next prime (113534431204153).

It is not a de Polignac number, because 113534431204131 - 2²⁷ = 113534296986403 is a prime.

It is a super-2 number, since 2×113534431204131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113534431214131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121513261 + ... + 122444033.

It is an arithmetic number, because the mean of its divisors is an integer number (3915265461588).

Almost surely, 2^{113534431204131} is an apocalyptic number.

113534431204131 is a deficient number, since it is larger than the sum of its proper divisors (74398310952093).

113534431204131 is a wasteful number, since it uses less digits than its factorization.

113534431204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936060 (or 936057 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 113534431204131 its reverse (131402134435311), we get a palindrome (244936565639442).

The spelling of 113534431204131 in words is "one hundred thirteen trillion, five hundred thirty-four billion, four hundred thirty-one million, two hundred four thousand, one hundred thirty-one".