231043610553 has 32 divisors (see below), whose sum is σ = 358181241600. Its totient is φ = 129736028160.

The previous prime is 231043610531. The next prime is 231043610563. The reversal of 231043610553 is 355016340132.

It is not a de Polignac number, because 231043610553 - 2¹⁰ = 231043609529 is a prime.

It is a super-2 number, since 2×231043610553² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231043610563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1257801 + ... + 1429737.

It is an arithmetic number, because the mean of its divisors is an integer number (11193163800).

Almost surely, 2^231043610553 is an apocalyptic number.

It is an amenable number.

231043610553 is a deficient number, since it is larger than the sum of its proper divisors (127137631047).

231043610553 is a wasteful number, since it uses less digits than its factorization.

231043610553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173057.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 231043610553 its reverse (355016340132), we get a palindrome (586059950685).

The spelling of 231043610553 in words is "two hundred thirty-one billion, forty-three million, six hundred ten thousand, five hundred fifty-three".