315135801 has 12 divisors (see below), whose sum is σ = 469880320. Its totient is φ = 203313240.

The previous prime is 315135797. The next prime is 315135823. The reversal of 315135801 is 108531513.

315135801 is a `hidden beast` number, since 31 + 51 + 3 + 580 + 1 = 666.

It is not a de Polignac number, because 315135801 - 2² = 315135797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315134801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564481 + ... + 565038.

Almost surely, 2^315135801 is an apocalyptic number.

315135801 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

315135801 is a deficient number, since it is larger than the sum of its proper divisors (154744519).

315135801 is a wasteful number, since it uses less digits than its factorization.

315135801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129556 (or 1129553 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 315135801 is about 17752.0646968177. The cubic root of 315135801 is about 680.5069755913.

The spelling of 315135801 in words is "three hundred fifteen million, one hundred thirty-five thousand, eight hundred one".