312320071138 has 16 divisors (see below), whose sum is σ = 474440549760. Its totient is φ = 154173474000.

The previous prime is 312320071099. The next prime is 312320071153. The reversal of 312320071138 is 831170023213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837553 + ... + 2945563.

It is an arithmetic number, because the mean of its divisors is an integer number (29652534360).

Almost surely, 2^312320071138 is an apocalyptic number.

312320071138 is a deficient number, since it is larger than the sum of its proper divisors (162120478622).

312320071138 is a wasteful number, since it uses less digits than its factorization.

312320071138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126393.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 312320071138 in words is "three hundred twelve billion, three hundred twenty million, seventy-one thousand, one hundred thirty-eight".