1311054396 has 24 divisors (see below), whose sum is σ = 3065833680. Its totient is φ = 436060032.

The previous prime is 1311054389. The next prime is 1311054421. The reversal of 1311054396 is 6934501131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114051 + ... + 125018.

It is an arithmetic number, because the mean of its divisors is an integer number (127743070).

Almost surely, 2^1311054396 is an apocalyptic number.

It is an amenable number.

1311054396 is an abundant number, since it is smaller than the sum of its proper divisors (1754779284).

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

1311054396 is a wasteful number, since it uses less digits than its factorization.

1311054396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239533 (or 239531 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1311054396 is about 36208.4851381551. The cubic root of 1311054396 is about 1094.4776658497.

The spelling of 1311054396 in words is "one billion, three hundred eleven million, fifty-four thousand, three hundred ninety-six".