315086983 has 2 divisors, whose sum is σ = 315086984. Its totient is φ = 315086982.

The previous prime is 315086969. The next prime is 315086999. The reversal of 315086983 is 389680513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315086983 - 2⁵ = 315086951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315086903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157543491 + 157543492.

It is an arithmetic number, because the mean of its divisors is an integer number (157543492).

Almost surely, 2^315086983 is an apocalyptic number.

315086983 is a deficient number, since it is larger than the sum of its proper divisors (1).

315086983 is an equidigital number, since it uses as much as digits as its factorization.

315086983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 315086983 is about 17750.6896485742. The cubic root of 315086983 is about 680.4718344394.

The spelling of 315086983 in words is "three hundred fifteen million, eighty-six thousand, nine hundred eighty-three".