312838374165 has 16 divisors (see below), whose sum is σ = 500606362368. Its totient is φ = 166825478336.

The previous prime is 312838374137. The next prime is 312838374241. The reversal of 312838374165 is 561473838213.

It is a cyclic number.

It is not a de Polignac number, because 312838374165 - 2¹² = 312838370069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233642 + ... + 1465451.

It is an arithmetic number, because the mean of its divisors is an integer number (31287897648).

Almost surely, 2^312838374165 is an apocalyptic number.

It is an amenable number.

312838374165 is a deficient number, since it is larger than the sum of its proper divisors (187767988203).

312838374165 is a wasteful number, since it uses less digits than its factorization.

312838374165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706828.

The product of its digits is 2903040, while the sum is 51.

The spelling of 312838374165 in words is "three hundred twelve billion, eight hundred thirty-eight million, three hundred seventy-four thousand, one hundred sixty-five".