1313022331012 has 96 divisors (see below), whose sum is σ = 2660490991872. Its totient is φ = 555404967936.

The previous prime is 1313022330943. The next prime is 1313022331039. The reversal of 1313022331012 is 2101332203131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418558308 + ... + 418561444.

It is an arithmetic number, because the mean of its divisors is an integer number (27713447832).

Almost surely, 2^{1313022331012} is an apocalyptic number.

It is an amenable number.

1313022331012 is an abundant number, since it is smaller than the sum of its proper divisors (1347468660860).

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

1313022331012 is a wasteful number, since it uses less digits than its factorization.

1313022331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3915 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313022331012 its reverse (2101332203131), we get a palindrome (3414354534143).

The spelling of 1313022331012 in words is "one trillion, three hundred thirteen billion, twenty-two million, three hundred thirty-one thousand, twelve".