315215144403 has 8 divisors (see below), whose sum is σ = 424214774208. Its totient is φ = 208179472104.

The previous prime is 315215144369. The next prime is 315215144411. The reversal of 315215144403 is 304441512513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315215144403 - 2¹⁰ = 315215143379 is a prime.

It is a super-2 number, since 2×315215144403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315215144303) 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, 490989001 + ... + 490989642.

It is an arithmetic number, because the mean of its divisors is an integer number (53026846776).

Almost surely, 2^315215144403 is an apocalyptic number.

315215144403 is a deficient number, since it is larger than the sum of its proper divisors (108999629805).

315215144403 is a wasteful number, since it uses less digits than its factorization.

315215144403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981978753.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 315215144403 its reverse (304441512513), we get a palindrome (619656656916).

The spelling of 315215144403 in words is "three hundred fifteen billion, two hundred fifteen million, one hundred forty-four thousand, four hundred three".