312686051 has 2 divisors, whose sum is σ = 312686052. Its totient is φ = 312686050.

The previous prime is 312686047. The next prime is 312686053. The reversal of 312686051 is 150686213.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (150686213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312686051 - 2² = 312686047 is a prime.

Together with 312686053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 312685999 and 312686017.

It is not a weakly prime, because it can be changed into another prime (312686053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156343025 + 156343026.

It is an arithmetic number, because the mean of its divisors is an integer number (156343026).

Almost surely, 2^312686051 is an apocalyptic number.

312686051 is a deficient number, since it is larger than the sum of its proper divisors (1).

312686051 is an equidigital number, since it uses as much as digits as its factorization.

312686051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 312686051 is about 17682.9310635992. The cubic root of 312686051 is about 678.7390494612.

The spelling of 312686051 in words is "three hundred twelve million, six hundred eighty-six thousand, fifty-one".