312011323004 has 12 divisors (see below), whose sum is σ = 546024685584. Its totient is φ = 156004269984.

The previous prime is 312011322979. The next prime is 312011323009. The reversal of 312011323004 is 400323110213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312011323009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284249 + ... + 839535.

It is an arithmetic number, because the mean of its divisors is an integer number (45502057132).

Almost surely, 2^312011323004 is an apocalyptic number.

It is an amenable number.

312011323004 is a deficient number, since it is larger than the sum of its proper divisors (234013362580).

312011323004 is a wasteful number, since it uses less digits than its factorization.

312011323004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695764 (or 695762 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312011323004 its reverse (400323110213), we get a palindrome (712334433217).

The spelling of 312011323004 in words is "three hundred twelve billion, eleven million, three hundred twenty-three thousand, four".