315135412 has 12 divisors (see below), whose sum is σ = 551624416. Its totient is φ = 157528440.

The previous prime is 315135377. The next prime is 315135413. The reversal of 315135412 is 214531513.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315135413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15487 + ... + 29497.

Almost surely, 2^315135412 is an apocalyptic number.

It is an amenable number.

315135412 is a deficient number, since it is larger than the sum of its proper divisors (236489004).

315135412 is a wasteful number, since it uses less digits than its factorization.

315135412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19638 (or 19636 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 315135412 is about 17752.0537403423. The cubic root of 315135412 is about 680.5066955878.

Adding to 315135412 its reverse (214531513), we get a palindrome (529666925).

The spelling of 315135412 in words is "three hundred fifteen million, one hundred thirty-five thousand, four hundred twelve".