1311913374 has 16 divisors (see below), whose sum is σ = 2624845440. Its totient is φ = 437134680.

The previous prime is 1311913373. The next prime is 1311913391. The reversal of 1311913374 is 4733191131.

1311913374 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1311913374² = 3442233401760127752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311913373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25162 + ... + 57069.

It is an arithmetic number, because the mean of its divisors is an integer number (164052840).

Almost surely, 2^1311913374 is an apocalyptic number.

1311913374 is an abundant number, since it is smaller than the sum of its proper divisors (1312932066).

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

1311913374 is a wasteful number, since it uses less digits than its factorization.

1311913374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84895.

The product of its digits is 6804, while the sum is 33.

The square root of 1311913374 is about 36220.3447526387. The cubic root of 1311913374 is about 1094.7166406766.

The spelling of 1311913374 in words is "one billion, three hundred eleven million, nine hundred thirteen thousand, three hundred seventy-four".