1313020313312 has 48 divisors (see below), whose sum is σ = 2674290245760. Its totient is φ = 633837915648.

The previous prime is 1313020313299. The next prime is 1313020313329. The reversal of 1313020313312 is 2133130203131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30831938 + ... + 30874494.

It is an arithmetic number, because the mean of its divisors is an integer number (55714380120).

Almost surely, 2^{1313020313312} is an apocalyptic number.

It is an amenable number.

1313020313312 is an abundant number, since it is smaller than the sum of its proper divisors (1361269932448).

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

1313020313312 is a wasteful number, since it uses less digits than its factorization.

1313020313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75843 (or 75835 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313020313312 its reverse (2133130203131), we get a palindrome (3446150516443).

The spelling of 1313020313312 in words is "one trillion, three hundred thirteen billion, twenty million, three hundred thirteen thousand, three hundred twelve".