312630047 has 12 divisors (see below), whose sum is σ = 332580840. Its totient is φ = 293061600.

The previous prime is 312630037. The next prime is 312630061. The reversal of 312630047 is 740036213.

It is not a de Polignac number, because 312630047 - 2²⁴ = 295852831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312629998 and 312630025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312630037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193013 + ... + 194625.

It is an arithmetic number, because the mean of its divisors is an integer number (27715070).

Almost surely, 2^312630047 is an apocalyptic number.

312630047 is a deficient number, since it is larger than the sum of its proper divisors (19950793).

312630047 is a wasteful number, since it uses less digits than its factorization.

312630047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 312630047 is about 17681.3474316863. The cubic root of 312630047 is about 678.6985249252.

The spelling of 312630047 in words is "three hundred twelve million, six hundred thirty thousand, forty-seven".