1313022331000 has 32 divisors (see below), whose sum is σ = 3072472256880. Its totient is φ = 525208932000.

The previous prime is 1313022330943. The next prime is 1313022331039. The reversal of 1313022331000 is 1332203131.

It is a super-2 number, since 2×1313022331000² (a number of 25 digits) 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 7 ways as a sum of consecutive naturals, for example, 656510166 + ... + 656512165.

Almost surely, 2^{1313022331000} is an apocalyptic number.

1313022331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313022331000 is an abundant number, since it is smaller than the sum of its proper divisors (1759449925880).

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

1313022331000 is a wasteful number, since it uses less digits than its factorization.

1313022331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313022352 (or 1313022338 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1313022331000 its reverse (1332203131), we get a palindrome (1314354534131).

The spelling of 1313022331000 in words is "one trillion, three hundred thirteen billion, twenty-two million, three hundred thirty-one thousand".