2331312388 has 24 divisors (see below), whose sum is σ = 4297708800. Its totient is φ = 1103486688.

The previous prime is 2331312341. The next prime is 2331312409. The reversal of 2331312388 is 8832131332.

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 7 ways as a sum of consecutive naturals, for example, 98706 + ... + 120022.

It is an arithmetic number, because the mean of its divisors is an integer number (179071200).

Almost surely, 2^2331312388 is an apocalyptic number.

It is an amenable number.

2331312388 is a deficient number, since it is larger than the sum of its proper divisors (1966396412).

2331312388 is a wasteful number, since it uses less digits than its factorization.

2331312388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22779 (or 22777 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 2331312388 is about 48283.6658508858. The cubic root of 2331312388 is about 1325.9693654972.

The spelling of 2331312388 in words is "two billion, three hundred thirty-one million, three hundred twelve thousand, three hundred eighty-eight".