315023505452 has 24 divisors (see below), whose sum is σ = 566474664000. Its totient is φ = 153177868800.

The previous prime is 315023505437. The next prime is 315023505457. The reversal of 315023505452 is 254505320513.

It is not an unprimeable number, because it can be changed into a prime (315023505457) 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, 236549 + ... + 828252.

It is an arithmetic number, because the mean of its divisors is an integer number (23603111000).

Almost surely, 2^315023505452 is an apocalyptic number.

It is an amenable number.

315023505452 is a deficient number, since it is larger than the sum of its proper divisors (251451158548).

315023505452 is a wasteful number, since it uses less digits than its factorization.

315023505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066841 (or 1066839 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 315023505452 its reverse (254505320513), we get a palindrome (569528825965).

The spelling of 315023505452 in words is "three hundred fifteen billion, twenty-three million, five hundred five thousand, four hundred fifty-two".