1313242004 has 12 divisors (see below), whose sum is σ = 2299070004. Its totient is φ = 656364864.

The previous prime is 1313241997. The next prime is 1313242033. The reversal of 1313242004 is 4002423131.

It can be written as a sum of positive squares in 2 ways, for example, as 965344900 + 347897104 = 31070^2 + 18652^2 .

It is a super-2 number, since 2×1313242004² = 3449209122139872032, 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 in 3 ways as a sum of consecutive naturals, for example, 52259 + ... + 73194.

It is an arithmetic number, because the mean of its divisors is an integer number (191589167).

Almost surely, 2^1313242004 is an apocalyptic number.

It is an amenable number.

1313242004 is a deficient number, since it is larger than the sum of its proper divisors (985828000).

1313242004 is a wasteful number, since it uses less digits than its factorization.

1313242004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128074 (or 128072 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1313242004 is about 36238.6810466385. The cubic root of 1313242004 is about 1095.0860712282.

Adding to 1313242004 its reverse (4002423131), we get a palindrome (5315665135).

The spelling of 1313242004 in words is "one billion, three hundred thirteen million, two hundred forty-two thousand, four".