231252252132 has 48 divisors (see below), whose sum is σ = 588689607744. Its totient is φ = 70070784000.

The previous prime is 231252252073. The next prime is 231252252137.

It is a happy number.

231252252132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×231252252132² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231252252132.

It is not an unprimeable number, because it can be changed into a prime (231252252137) 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 15 ways as a sum of consecutive naturals, for example, 1747332 + ... + 1875012.

It is an arithmetic number, because the mean of its divisors is an integer number (12264366828).

Almost surely, 2^231252252132 is an apocalyptic number.

231252252132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231252252132 is an abundant number, since it is smaller than the sum of its proper divisors (357437355612).

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

231252252132 is a wasteful number, since it uses less digits than its factorization.

231252252132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141420 (or 141418 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

It can be divided in two parts, 231252 and 252132, that added together give a palindrome (483384).

The spelling of 231252252132 in words is "two hundred thirty-one billion, two hundred fifty-two million, two hundred fifty-two thousand, one hundred thirty-two".