315312052 has 24 divisors (see below), whose sum is σ = 613321632. Its totient is φ = 140618400.

The previous prime is 315312043. The next prime is 315312059. The reversal of 315312052 is 250213513.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315312059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65274 + ... + 69937.

It is an arithmetic number, because the mean of its divisors is an integer number (25555068).

Almost surely, 2^315312052 is an apocalyptic number.

It is an amenable number.

315312052 is a deficient number, since it is larger than the sum of its proper divisors (298009580).

315312052 is a wasteful number, since it uses less digits than its factorization.

315312052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135279 (or 135277 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 315312052 is about 17757.0282423608. The cubic root of 315312052 is about 680.6338179254.

Adding to 315312052 its reverse (250213513), we get a palindrome (565525565).

The spelling of 315312052 in words is "three hundred fifteen million, three hundred twelve thousand, fifty-two".