2331321432420 has 48 divisors (see below), whose sum is σ = 6592330721088. Its totient is φ = 615530409600.

The previous prime is 2331321432413. The next prime is 2331321432469. The reversal of 2331321432420 is 242341231332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192347194 + ... + 192359313.

It is an arithmetic number, because the mean of its divisors is an integer number (137340223356).

Almost surely, 2^{2331321432420} is an apocalyptic number.

2331321432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331321432420 is an abundant number, since it is smaller than the sum of its proper divisors (4261009288668).

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

2331321432420 is a wasteful number, since it uses less digits than its factorization.

2331321432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384706620 (or 384706618 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2331321432420 its reverse (242341231332), we get a palindrome (2573662663752).

The spelling of 2331321432420 in words is "two trillion, three hundred thirty-one billion, three hundred twenty-one million, four hundred thirty-two thousand, four hundred twenty".