1313003320 has 32 divisors (see below), whose sum is σ = 2964366720. Its totient is φ = 523404160.

The previous prime is 1313003317. The next prime is 1313003353. The reversal of 1313003320 is 233003131.

It is a junction number, because it is equal to n+sod(n) for n = 1313003294 and 1313003303.

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, 44296 + ... + 67735.

It is an arithmetic number, because the mean of its divisors is an integer number (92636460).

Almost surely, 2^1313003320 is an apocalyptic number.

1313003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313003320 is an abundant number, since it is smaller than the sum of its proper divisors (1651363400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313003320 is a wasteful number, since it uses less digits than its factorization.

1313003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112335 (or 112331 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1313003320 is about 36235.3876755859. The cubic root of 1313003320 is about 1095.0197226141.

Adding to 1313003320 its reverse (233003131), we get a palindrome (1546006451).

The spelling of 1313003320 in words is "one billion, three hundred thirteen million, three thousand, three hundred twenty".