2331432312 has 32 divisors (see below), whose sum is σ = 6358452480. Its totient is φ = 706494560.

The previous prime is 2331432307. The next prime is 2331432359. The reversal of 2331432312 is 2132341332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 4415328 + ... + 4415855.

It is an arithmetic number, because the mean of its divisors is an integer number (198701640).

Almost surely, 2^2331432312 is an apocalyptic number.

2331432312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2331432312 is an abundant number, since it is smaller than the sum of its proper divisors (4027020168).

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

2331432312 is a wasteful number, since it uses less digits than its factorization.

2331432312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8831203 (or 8831199 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 2331432312 is about 48284.9077041678. The cubic root of 2331432312 is about 1325.9921013068.

Adding to 2331432312 its reverse (2132341332), we get a palindrome (4463773644).

The spelling of 2331432312 in words is "two billion, three hundred thirty-one million, four hundred thirty-two thousand, three hundred twelve".