231433024132 has 12 divisors (see below), whose sum is σ = 418973578380. Its totient is φ = 111726287456.

The previous prime is 231433024087. The next prime is 231433024153. The reversal of 231433024132 is 231420334132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128806338816 + 102626685316 = 358896^2 + 320354^2 .

It is a super-2 number, since 2×231433024132² (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 231433024132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997556023 + ... + 997556254.

It is an arithmetic number, because the mean of its divisors is an integer number (34914464865).

Almost surely, 2^231433024132 is an apocalyptic number.

It is an amenable number.

231433024132 is a deficient number, since it is larger than the sum of its proper divisors (187540554248).

231433024132 is a wasteful number, since it uses less digits than its factorization.

231433024132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995112310 (or 1995112308 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231433024132 its reverse (231420334132), we get a palindrome (462853358264).

The spelling of 231433024132 in words is "two hundred thirty-one billion, four hundred thirty-three million, twenty-four thousand, one hundred thirty-two".