312353513 has 2 divisors, whose sum is σ = 312353514. Its totient is φ = 312353512.

The previous prime is 312353507. The next prime is 312353527. The reversal of 312353513 is 315353213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299878489 + 12475024 = 17317^2 + 3532^2 .

It is a cyclic number.

It is not a de Polignac number, because 312353513 - 2⁴ = 312353497 is a prime.

It is not a weakly prime, because it can be changed into another prime (312353533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156176756 + 156176757.

It is an arithmetic number, because the mean of its divisors is an integer number (156176757).

Almost surely, 2^312353513 is an apocalyptic number.

It is an amenable number.

312353513 is a deficient number, since it is larger than the sum of its proper divisors (1).

312353513 is an equidigital number, since it uses as much as digits as its factorization.

312353513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 26.

The square root of 312353513 is about 17673.5257659585. The cubic root of 312353513 is about 678.4983537381.

The spelling of 312353513 in words is "three hundred twelve million, three hundred fifty-three thousand, five hundred thirteen".