2321320302320 has 20 divisors (see below), whose sum is σ = 5397069703080. Its totient is φ = 928528120896.

The previous prime is 2321320302299. The next prime is 2321320302337. The reversal of 2321320302320 is 232030231232.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14508251810 + ... + 14508251969.

It is an arithmetic number, because the mean of its divisors is an integer number (269853485154).

Almost surely, 2^{2321320302320} is an apocalyptic number.

2321320302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321320302320 is an abundant number, since it is smaller than the sum of its proper divisors (3075749400760).

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

2321320302320 is a wasteful number, since it uses less digits than its factorization.

2321320302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29016503792 (or 29016503786 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 2321320302320 its reverse (232030231232), we get a palindrome (2553350533552).

The spelling of 2321320302320 in words is "two trillion, three hundred twenty-one billion, three hundred twenty million, three hundred two thousand, three hundred twenty".