312156674394 has 32 divisors (see below), whose sum is σ = 626733381120. Its totient is φ = 103649138352.

The previous prime is 312156674393. The next prime is 312156674497. The reversal of 312156674394 is 493476651213.

It is not an unprimeable number, because it can be changed into a prime (312156674393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5198289 + ... + 5257995.

It is an arithmetic number, because the mean of its divisors is an integer number (19585418160).

Almost surely, 2^312156674394 is an apocalyptic number.

312156674394 is an abundant number, since it is smaller than the sum of its proper divisors (314576706726).

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

312156674394 is a wasteful number, since it uses less digits than its factorization.

312156674394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63074.

The product of its digits is 3265920, while the sum is 51.

The spelling of 312156674394 in words is "three hundred twelve billion, one hundred fifty-six million, six hundred seventy-four thousand, three hundred ninety-four".