312021430130394 has 12 divisors (see below), whose sum is σ = 676046431949226. Its totient is φ = 104007143376792.

The previous prime is 312021430130383. The next prime is 312021430130407. The reversal of 312021430130394 is 493031034120213.

312021430130394 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 2 + 1 + 430 + 130 + 3 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 240892532028369 + 71128898102025 = 15520713^2 + 8433795^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8667261948049 + ... + 8667261948084.

Almost surely, 2^{312021430130394} is an apocalyptic number.

312021430130394 is an abundant number, since it is smaller than the sum of its proper divisors (364025001818832).

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

312021430130394 is a wasteful number, since it uses less digits than its factorization.

312021430130394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17334523896141 (or 17334523896138 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 312021430130394 in words is "three hundred twelve trillion, twenty-one billion, four hundred thirty million, one hundred thirty thousand, three hundred ninety-four".