313240072 has 32 divisors (see below), whose sum is σ = 598510080. Its totient is φ = 153659520.

The previous prime is 313240069. The next prime is 313240093. The reversal of 313240072 is 270042313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125428 + ... + 127900.

It is an arithmetic number, because the mean of its divisors is an integer number (18703440).

Almost surely, 2^313240072 is an apocalyptic number.

It is an amenable number.

313240072 is a deficient number, since it is larger than the sum of its proper divisors (285270008).

313240072 is a wasteful number, since it uses less digits than its factorization.

313240072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 313240072 is about 17698.5895483228. The cubic root of 313240072 is about 679.1396790126.

Adding to 313240072 its reverse (270042313), we get a palindrome (583282385).

The spelling of 313240072 in words is "three hundred thirteen million, two hundred forty thousand, seventy-two".