113553530231531 has 16 divisors (see below), whose sum is σ = 122929303932960. Its totient is φ = 104269376010240.

The previous prime is 113553530231509. The next prime is 113553530231563. The reversal of 113553530231531 is 135132035355311.

It is a cyclic number.

It is not a de Polignac number, because 113553530231531 - 2¹⁰ = 113553530230507 is a prime.

It is a super-2 number, since 2×113553530231531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113553530231591) 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, 41376200 + ... + 44035178.

It is an arithmetic number, because the mean of its divisors is an integer number (7683081495810).

Almost surely, 2^{113553530231531} is an apocalyptic number.

113553530231531 is a deficient number, since it is larger than the sum of its proper divisors (9375773701429).

113553530231531 is a wasteful number, since it uses less digits than its factorization.

113553530231531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676206.

The product of its (nonzero) digits is 303750, while the sum is 41.

Adding to 113553530231531 its reverse (135132035355311), we get a palindrome (248685565586842).

The spelling of 113553530231531 in words is "one hundred thirteen trillion, five hundred fifty-three billion, five hundred thirty million, two hundred thirty-one thousand, five hundred thirty-one".