313515383 has 2 divisors, whose sum is σ = 313515384. Its totient is φ = 313515382.

The previous prime is 313515361. The next prime is 313515403. The reversal of 313515383 is 383515313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313515383 - 2⁸ = 313515127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313511383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156757691 + 156757692.

It is an arithmetic number, because the mean of its divisors is an integer number (156757692).

Almost surely, 2^313515383 is an apocalyptic number.

313515383 is a deficient number, since it is larger than the sum of its proper divisors (1).

313515383 is an equidigital number, since it uses as much as digits as its factorization.

313515383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 313515383 is about 17706.3656067528. The cubic root of 313515383 is about 679.3385891451.

The spelling of 313515383 in words is "three hundred thirteen million, five hundred fifteen thousand, three hundred eighty-three".