315029983 has 2 divisors, whose sum is σ = 315029984. Its totient is φ = 315029982.

The previous prime is 315029971. The next prime is 315030061. The reversal of 315029983 is 389920513.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315029983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315029083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157514991 + 157514992.

It is an arithmetic number, because the mean of its divisors is an integer number (157514992).

Almost surely, 2^315029983 is an apocalyptic number.

315029983 is a deficient number, since it is larger than the sum of its proper divisors (1).

315029983 is an equidigital number, since it uses as much as digits as its factorization.

315029983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 315029983 is about 17749.0840045339. The cubic root of 315029983 is about 680.4307989627.

It can be divided in two parts, 3150 and 29983, that added together give a palindrome (33133).

The spelling of 315029983 in words is "three hundred fifteen million, twenty-nine thousand, nine hundred eighty-three".