312500771047 has 16 divisors (see below), whose sum is σ = 316366610560. Its totient is φ = 308664222048.

The previous prime is 312500771017. The next prime is 312500771129. The reversal of 312500771047 is 740177005213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312500771047 - 2²⁷ = 312366553319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312500770997 and 312500771015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312500771017) 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, 18258868 + ... + 18275974.

It is an arithmetic number, because the mean of its divisors is an integer number (19772913160).

Almost surely, 2^312500771047 is an apocalyptic number.

312500771047 is a deficient number, since it is larger than the sum of its proper divisors (3865839513).

312500771047 is a wasteful number, since it uses less digits than its factorization.

312500771047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17950.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 312500771047 in words is "three hundred twelve billion, five hundred million, seven hundred seventy-one thousand, forty-seven".