315253302331 has 4 divisors (see below), whose sum is σ = 343912693464. Its totient is φ = 286593911200.

The previous prime is 315253302289. The next prime is 315253302361. The reversal of 315253302331 is 133203352513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315253302331 - 2¹⁵ = 315253269563 is a prime.

It is a super-2 number, since 2×315253302331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315253302293 and 315253302302.

It is not an unprimeable number, because it can be changed into a prime (315253302361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14329695550 + ... + 14329695571.

It is an arithmetic number, because the mean of its divisors is an integer number (85978173366).

Almost surely, 2^315253302331 is an apocalyptic number.

315253302331 is a deficient number, since it is larger than the sum of its proper divisors (28659391133).

315253302331 is a wasteful number, since it uses less digits than its factorization.

315253302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28659391132.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 315253302331 its reverse (133203352513), we get a palindrome (448456654844).

The spelling of 315253302331 in words is "three hundred fifteen billion, two hundred fifty-three million, three hundred two thousand, three hundred thirty-one".