2331388831332 has 72 divisors (see below), whose sum is σ = 5993606636416. Its totient is φ = 704803176000.

The previous prime is 2331388831301. The next prime is 2331388831391.

2331388831332 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1295644 + ... + 2518227.

Almost surely, 2^{2331388831332} is an apocalyptic number.

2331388831332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2331388831332 is an abundant number, since it is smaller than the sum of its proper divisors (3662217805084).

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

2331388831332 is a wasteful number, since it uses less digits than its factorization.

2331388831332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814321 (or 3814308 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The spelling of 2331388831332 in words is "two trillion, three hundred thirty-one billion, three hundred eighty-eight million, eight hundred thirty-one thousand, three hundred thirty-two".