1311108372 has 36 divisors (see below), whose sum is σ = 3787647136. Its totient is φ = 374602320.

The previous prime is 1311108349. The next prime is 1311108427. The reversal of 1311108372 is 2738011131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 2601154 + ... + 2601657.

Almost surely, 2^1311108372 is an apocalyptic number.

1311108372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311108372 is an abundant number, since it is smaller than the sum of its proper divisors (2476538764).

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

1311108372 is a wasteful number, since it uses less digits than its factorization.

1311108372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202828 (or 5202823 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1311108372 is about 36209.2304806385. The cubic root of 1311108372 is about 1094.4926854949.

The spelling of 1311108372 in words is "one billion, three hundred eleven million, one hundred eight thousand, three hundred seventy-two".