312679357 has 2 divisors, whose sum is σ = 312679358. Its totient is φ = 312679356.

The previous prime is 312679337. The next prime is 312679373. The reversal of 312679357 is 753976213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305340676 + 7338681 = 17474^2 + 2709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312679357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312679327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156339678 + 156339679.

It is an arithmetic number, because the mean of its divisors is an integer number (156339679).

Almost surely, 2^312679357 is an apocalyptic number.

It is an amenable number.

312679357 is a deficient number, since it is larger than the sum of its proper divisors (1).

312679357 is an equidigital number, since it uses as much as digits as its factorization.

312679357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 43.

The square root of 312679357 is about 17682.7417840108. The cubic root of 312679357 is about 678.7342059324.

The spelling of 312679357 in words is "three hundred twelve million, six hundred seventy-nine thousand, three hundred fifty-seven".