312131112319999 has 8 divisors (see below), whose sum is σ = 356941333710368. Its totient is φ = 267375906551520.

The previous prime is 312131112319993. The next prime is 312131112320021. The reversal of 312131112319999 is 999913211131213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312131112319999 - 2¹³ = 312131112311807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312131112319993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13753893312 + ... + 13753916005.

It is an arithmetic number, because the mean of its divisors is an integer number (44617666713796).

Almost surely, 2^{312131112319999} is an apocalyptic number.

312131112319999 is a deficient number, since it is larger than the sum of its proper divisors (44810221390369).

312131112319999 is a wasteful number, since it uses less digits than its factorization.

312131112319999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27507810945.

The product of its digits is 708588, while the sum is 55.

The spelling of 312131112319999 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred twelve million, three hundred nineteen thousand, nine hundred ninety-nine".