2311389396 has 36 divisors (see below), whose sum is σ = 5844139392. Its totient is φ = 770270544.

The previous prime is 2311389341. The next prime is 2311389401. The reversal of 2311389396 is 6939831132.

2311389396 is a `hidden beast` number, since 231 + 1 + 389 + 39 + 6 = 666.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268755 + ... + 277221.

Almost surely, 2^2311389396 is an apocalyptic number.

It is an amenable number.

2311389396 is an abundant number, since it is smaller than the sum of its proper divisors (3532749996).

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

2311389396 is a wasteful number, since it uses less digits than its factorization.

2311389396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16060 (or 16055 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 2311389396 is about 48076.9112568601. The cubic root of 2311389396 is about 1322.1813862439.

The spelling of 2311389396 in words is "two billion, three hundred eleven million, three hundred eighty-nine thousand, three hundred ninety-six".