312491610404 has 12 divisors (see below), whose sum is σ = 548288154624. Its totient is φ = 155837851944.

The previous prime is 312491610401. The next prime is 312491610439. The reversal of 312491610404 is 404016194213.

It is not an unprimeable number, because it can be changed into a prime (312491610401) 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, 101986592 + ... + 101989655.

It is an arithmetic number, because the mean of its divisors is an integer number (45690679552).

Almost surely, 2^312491610404 is an apocalyptic number.

It is an amenable number.

312491610404 is a deficient number, since it is larger than the sum of its proper divisors (235796544220).

312491610404 is a wasteful number, since it uses less digits than its factorization.

312491610404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203976634 (or 203976632 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 312491610404 in words is "three hundred twelve billion, four hundred ninety-one million, six hundred ten thousand, four hundred four".