231553355132 has 36 divisors (see below), whose sum is σ = 471605646960. Its totient is φ = 99060255360.

The previous prime is 231553355051. The next prime is 231553355171.

231553355132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×231553355132² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14062832 + ... + 14079287.

It is an arithmetic number, because the mean of its divisors is an integer number (13100156860).

Almost surely, 2^231553355132 is an apocalyptic number.

231553355132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231553355132 is an abundant number, since it is smaller than the sum of its proper divisors (240052291828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231553355132 is a wasteful number, since it uses less digits than its factorization.

231553355132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28142162 (or 28142149 counting only the distinct ones).

The product of its digits is 202500, while the sum is 38.

It can be divided in two parts, 231553 and 355132, that added together give a palindrome (586685).

The spelling of 231553355132 in words is "two hundred thirty-one billion, five hundred fifty-three million, three hundred fifty-five thousand, one hundred thirty-two".