312890051 has 2 divisors, whose sum is σ = 312890052. Its totient is φ = 312890050.

The previous prime is 312890041. The next prime is 312890063. The reversal of 312890051 is 150098213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312890051 - 2¹⁴ = 312873667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312889996 and 312890023.

It is not a weakly prime, because it can be changed into another prime (312890041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156445025 + 156445026.

It is an arithmetic number, because the mean of its divisors is an integer number (156445026).

Almost surely, 2^312890051 is an apocalyptic number.

312890051 is a deficient number, since it is larger than the sum of its proper divisors (1).

312890051 is an equidigital number, since it uses as much as digits as its factorization.

312890051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 312890051 is about 17688.6983975645. The cubic root of 312890051 is about 678.8866231110.

The spelling of 312890051 in words is "three hundred twelve million, eight hundred ninety thousand, fifty-one".