315157034903 has 4 divisors (see below), whose sum is σ = 315158158920. Its totient is φ = 315155910888.

The previous prime is 315157034861. The next prime is 315157034911. The reversal of 315157034903 is 309430751513.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315157034903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315157034923) 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, 241433 + ... + 829821.

It is an arithmetic number, because the mean of its divisors is an integer number (78789539730).

Almost surely, 2^315157034903 is an apocalyptic number.

315157034903 is a deficient number, since it is larger than the sum of its proper divisors (1124017).

315157034903 is an equidigital number, since it uses as much as digits as its factorization.

315157034903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124016.

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 315157034903 in words is "three hundred fifteen billion, one hundred fifty-seven million, thirty-four thousand, nine hundred three".