313231004 has 6 divisors (see below), whose sum is σ = 548154264. Its totient is φ = 156615500.

The previous prime is 313230959. The next prime is 313231013. The reversal of 313231004 is 400132313.

It is a happy number.

It is a super-2 number, since 2×313231004² = 196227323733696032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39153872 + ... + 39153879.

It is an arithmetic number, because the mean of its divisors is an integer number (91359044).

Almost surely, 2^313231004 is an apocalyptic number.

It is an amenable number.

313231004 is a deficient number, since it is larger than the sum of its proper divisors (234923260).

313231004 is a wasteful number, since it uses less digits than its factorization.

313231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78307755 (or 78307753 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313231004 is about 17698.3333678626. Note that the first 4 decimals coincide. The cubic root of 313231004 is about 679.1331254683.

Adding to 313231004 its reverse (400132313), we get a palindrome (713363317).

The spelling of 313231004 in words is "three hundred thirteen million, two hundred thirty-one thousand, four".