113054236531 has 4 divisors (see below), whose sum is σ = 113089338864. Its totient is φ = 113019134200.

The previous prime is 113054236517. The next prime is 113054236549. The reversal of 113054236531 is 135632450311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113054236531 - 2¹¹ = 113054234483 is a prime.

It is a super-2 number, since 2×113054236531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113054236571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17546335 + ... + 17552776.

It is an arithmetic number, because the mean of its divisors is an integer number (28272334716).

Almost surely, 2^113054236531 is an apocalyptic number.

113054236531 is a deficient number, since it is larger than the sum of its proper divisors (35102333).

113054236531 is an equidigital number, since it uses as much as digits as its factorization.

113054236531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35102332.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 113054236531 its reverse (135632450311), we get a palindrome (248686686842).

The spelling of 113054236531 in words is "one hundred thirteen billion, fifty-four million, two hundred thirty-six thousand, five hundred thirty-one".