1313021111994 has 24 divisors (see below), whose sum is σ = 2846649443040. Its totient is φ = 437401339848.

The previous prime is 1313021111981. The next prime is 1313021112041. The reversal of 1313021111994 is 4991111203131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22667284 + ... + 22725135.

It is an arithmetic number, because the mean of its divisors is an integer number (118610393460).

Almost surely, 2^{1313021111994} is an apocalyptic number.

1313021111994 is an abundant number, since it is smaller than the sum of its proper divisors (1533628331046).

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

1313021111994 is a wasteful number, since it uses less digits than its factorization.

1313021111994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45394034 (or 45394031 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 1313021111994 in words is "one trillion, three hundred thirteen billion, twenty-one million, one hundred eleven thousand, nine hundred ninety-four".