1231432100032 has 28 divisors (see below), whose sum is σ = 2443659512976. Its totient is φ = 615706868480.

The previous prime is 1231432099957. The next prime is 1231432100051. The reversal of 1231432100032 is 2300012341321.

It is a junction number, because it is equal to n+sod(n) for n = 1231432099976 and 1231432100012.

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, 6748557 + ... + 6928627.

Almost surely, 2^{1231432100032} is an apocalyptic number.

It is an amenable number.

1231432100032 is a deficient number, since it is larger than the sum of its proper divisors (1212227412944).

1231432100032 is a wasteful number, since it uses less digits than its factorization.

1231432100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286936 (or 286926 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1231432100032 its reverse (2300012341321), we get a palindrome (3531444441353).

The spelling of 1231432100032 in words is "one trillion, two hundred thirty-one billion, four hundred thirty-two million, one hundred thousand, thirty-two".