2313120320 has 56 divisors (see below), whose sum is σ = 6294997824. Its totient is φ = 793069056.

The previous prime is 2313120269. The next prime is 2313120323. The reversal of 2313120320 is 230213132.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2313120320² = 10701051229593804800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2313120323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514082 + ... + 518561.

Almost surely, 2^2313120320 is an apocalyptic number.

2313120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313120320 is an abundant number, since it is smaller than the sum of its proper divisors (3981877504).

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

2313120320 is a wasteful number, since it uses less digits than its factorization.

2313120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032667 (or 1032657 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2313120320 is about 48094.9095019421. The cubic root of 2313120320 is about 1322.5113500383.

Adding to 2313120320 its reverse (230213132), we get a palindrome (2543333452).

The spelling of 2313120320 in words is "two billion, three hundred thirteen million, one hundred twenty thousand, three hundred twenty".