2331212320 has 48 divisors (see below), whose sum is σ = 5635586880. Its totient is φ = 910796544.

The previous prime is 2331212291. The next prime is 2331212347. The reversal of 2331212320 is 232121332.

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, 162540 + ... + 176299.

It is an arithmetic number, because the mean of its divisors is an integer number (117408060).

Almost surely, 2^2331212320 is an apocalyptic number.

2331212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331212320 is an abundant number, since it is smaller than the sum of its proper divisors (3304374560).

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

2331212320 is a wasteful number, since it uses less digits than its factorization.

2331212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338897 (or 338889 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2331212320 is about 48282.6295887041. The cubic root of 2331212320 is about 1325.9503934936.

Adding to 2331212320 its reverse (232121332), we get a palindrome (2563333652).

The spelling of 2331212320 in words is "two billion, three hundred thirty-one million, two hundred twelve thousand, three hundred twenty".