231204402132 has 48 divisors (see below), whose sum is σ = 591601618944. Its totient is φ = 69695116000.

The previous prime is 231204402103. The next prime is 231204402157.

It is a happy number.

231204402132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×231204402132² (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 15 ways as a sum of consecutive naturals, for example, 4559994 + ... + 4610417.

It is an arithmetic number, because the mean of its divisors is an integer number (12325033728).

Almost surely, 2^231204402132 is an apocalyptic number.

231204402132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231204402132 is an abundant number, since it is smaller than the sum of its proper divisors (360397216812).

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

231204402132 is a wasteful number, since it uses less digits than its factorization.

231204402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170620 (or 9170618 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 231204 and 402132, that added together give a palindrome (633336).

The spelling of 231204402132 in words is "two hundred thirty-one billion, two hundred four million, four hundred two thousand, one hundred thirty-two".