312400442232 has 48 divisors (see below), whose sum is σ = 847334418840. Its totient is φ = 103979648448.

The previous prime is 312400442201. The next prime is 312400442267. The reversal of 312400442232 is 232244004213.

312400442232 is a `hidden beast` number, since 31 + 2 + 400 + 4 + 4 + 223 + 2 = 666.

It is a super-3 number, since 3×312400442232³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312400442196 and 312400442205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3155758 + ... + 3253245.

Almost surely, 2^312400442232 is an apocalyptic number.

It is an amenable number.

312400442232 is an abundant number, since it is smaller than the sum of its proper divisors (534933976608).

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

312400442232 is a wasteful number, since it uses less digits than its factorization.

312400442232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409692 (or 6409685 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 312400442232 its reverse (232244004213), we get a palindrome (544644446445).

The spelling of 312400442232 in words is "three hundred twelve billion, four hundred million, four hundred forty-two thousand, two hundred thirty-two".