315103553 has 4 divisors (see below), whose sum is σ = 317110740. Its totient is φ = 313096368.

The previous prime is 315103549. The next prime is 315103559. The reversal of 315103553 is 355301513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 180821809 + 134281744 = 13447^2 + 11588^2 .

It is a cyclic number.

It is not a de Polignac number, because 315103553 - 2² = 315103549 is a prime.

It is a super-2 number, since 2×315103553² = 198580498226447618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315103559) 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, 1003358 + ... + 1003671.

It is an arithmetic number, because the mean of its divisors is an integer number (79277685).

Almost surely, 2^315103553 is an apocalyptic number.

It is an amenable number.

315103553 is a deficient number, since it is larger than the sum of its proper divisors (2007187).

315103553 is a wasteful number, since it uses less digits than its factorization.

315103553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007186.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 315103553 is about 17751.1563848669. The cubic root of 315103553 is about 680.4837625960.

The spelling of 315103553 in words is "three hundred fifteen million, one hundred three thousand, five hundred fifty-three".