1313031004 has 24 divisors (see below), whose sum is σ = 2330808480. Its totient is φ = 647148096.

The previous prime is 1313030993. The next prime is 1313031019. The reversal of 1313031004 is 4001303131.

It is a congruent number.

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, 78249 + ... + 93535.

It is an arithmetic number, because the mean of its divisors is an integer number (97117020).

Almost surely, 2^1313031004 is an apocalyptic number.

It is an amenable number.

1313031004 is a deficient number, since it is larger than the sum of its proper divisors (1017777476).

1313031004 is a wasteful number, since it uses less digits than its factorization.

1313031004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597 (or 15595 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313031004 is about 36235.7696758327. The cubic root of 1313031004 is about 1095.0274185360.

Adding to 1313031004 its reverse (4001303131), we get a palindrome (5314334135).

The spelling of 1313031004 in words is "one billion, three hundred thirteen million, thirty-one thousand, four".