1311876048 has 80 divisors (see below), whose sum is σ = 3883501440. Its totient is φ = 373820928.

The previous prime is 1311875953. The next prime is 1311876053. The reversal of 1311876048 is 8406781131.

It is a junction number, because it is equal to n+sod(n) for n = 1311875997 and 1311876015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125686 + ... + 135722.

It is an arithmetic number, because the mean of its divisors is an integer number (48543768).

Almost surely, 2^1311876048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311876048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1941750720).

1311876048 is an abundant number, since it is smaller than the sum of its proper divisors (2571625392).

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

1311876048 is a wasteful number, since it uses less digits than its factorization.

1311876048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444 (or 10438 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1311876048 is about 36219.8294860702. The cubic root of 1311876048 is about 1094.7062584411.

The spelling of 1311876048 in words is "one billion, three hundred eleven million, eight hundred seventy-six thousand, forty-eight".