315320153 has 4 divisors (see below), whose sum is σ = 316483968. Its totient is φ = 314156340.

The previous prime is 315320129. The next prime is 315320171. The reversal of 315320153 is 351023513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351023513 = 14009 ⋅25057.

It is a cyclic number.

It is not a de Polignac number, because 315320153 - 2²⁰ = 314271577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315320113) 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, 581501 + ... + 582042.

It is an arithmetic number, because the mean of its divisors is an integer number (79120992).

Almost surely, 2^315320153 is an apocalyptic number.

It is an amenable number.

315320153 is a deficient number, since it is larger than the sum of its proper divisors (1163815).

315320153 is a wasteful number, since it uses less digits than its factorization.

315320153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163814.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 315320153 is about 17757.2563477582. The cubic root of 315320153 is about 680.6396468254.

Adding to 315320153 its reverse (351023513), we get a palindrome (666343666).

The spelling of 315320153 in words is "three hundred fifteen million, three hundred twenty thousand, one hundred fifty-three".