312332004 has 24 divisors (see below), whose sum is σ = 809749920. Its totient is φ = 104110632.

The previous prime is 312332003. The next prime is 312332023. The reversal of 312332004 is 400233213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (312332003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445874 + ... + 1446089.

It is an arithmetic number, because the mean of its divisors is an integer number (33739580).

Almost surely, 2^312332004 is an apocalyptic number.

It is an amenable number.

312332004 is an abundant number, since it is smaller than the sum of its proper divisors (497417916).

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

312332004 is a wasteful number, since it uses less digits than its factorization.

312332004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891976 (or 2891968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 312332004 is about 17672.9172464537. The cubic root of 312332004 is about 678.4827793376.

Adding to 312332004 its reverse (400233213), we get a palindrome (712565217).

The spelling of 312332004 in words is "three hundred twelve million, three hundred thirty-two thousand, four".