315242252503 has 4 divisors (see below), whose sum is σ = 315265793200. Its totient is φ = 315218711808.

The previous prime is 315242252497. The next prime is 315242252527. The reversal of 315242252503 is 305252242513.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315242252503 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 (315242252573) 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, 11750250 + ... + 11777047.

It is an arithmetic number, because the mean of its divisors is an integer number (78816448300).

Almost surely, 2^315242252503 is an apocalyptic number.

315242252503 is a deficient number, since it is larger than the sum of its proper divisors (23540697).

315242252503 is a wasteful number, since it uses less digits than its factorization.

315242252503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23540696.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 315242252503 in words is "three hundred fifteen billion, two hundred forty-two million, two hundred fifty-two thousand, five hundred three".