231433022432 has 24 divisors (see below), whose sum is σ = 455644633752. Its totient is φ = 115713750400.

The previous prime is 231433022419. The next prime is 231433022449. The reversal of 231433022432 is 234220334132.

It is a super-2 number, since 2×231433022432² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231433022395 and 231433022404.

It is a congruent number.

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, 2245307 + ... + 2346117.

It is an arithmetic number, because the mean of its divisors is an integer number (18985193073).

Almost surely, 2^231433022432 is an apocalyptic number.

It is an amenable number.

231433022432 is a deficient number, since it is larger than the sum of its proper divisors (224211611320).

231433022432 is a wasteful number, since it uses less digits than its factorization.

231433022432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172562 (or 172554 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 231433022432 its reverse (234220334132), we get a palindrome (465653356564).

The spelling of 231433022432 in words is "two hundred thirty-one billion, four hundred thirty-three million, twenty-two thousand, four hundred thirty-two".