315591151 has 2 divisors, whose sum is σ = 315591152. Its totient is φ = 315591150.

The previous prime is 315591139. The next prime is 315591163. The reversal of 315591151 is 151195513.

It is a balanced prime because it is at equal distance from previous prime (315591139) and next prime (315591163).

It is a cyclic number.

It is not a de Polignac number, because 315591151 - 2¹⁹ = 315066863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315591131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157795575 + 157795576.

It is an arithmetic number, because the mean of its divisors is an integer number (157795576).

Almost surely, 2^315591151 is an apocalyptic number.

315591151 is the 11236-th centered pentagonal number.

315591151 is a deficient number, since it is larger than the sum of its proper divisors (1).

315591151 is an equidigital number, since it uses as much as digits as its factorization.

315591151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3375, while the sum is 31.

The square root of 315591151 is about 17764.8853359654. The cubic root of 315591151 is about 680.8345800965.

The spelling of 315591151 in words is "three hundred fifteen million, five hundred ninety-one thousand, one hundred fifty-one".