2313121339 has 4 divisors (see below), whose sum is σ = 2413691856. Its totient is φ = 2212550824.

The previous prime is 2313121319. The next prime is 2313121357. The reversal of 2313121339 is 9331213132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2313121339 - 2⁷ = 2313121211 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2313121319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50285224 + ... + 50285269.

It is an arithmetic number, because the mean of its divisors is an integer number (603422964).

Almost surely, 2^2313121339 is an apocalyptic number.

2313121339 is a deficient number, since it is larger than the sum of its proper divisors (100570517).

2313121339 is a wasteful number, since it uses less digits than its factorization.

2313121339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100570516.

The product of its digits is 2916, while the sum is 28.

The square root of 2313121339 is about 48094.9200955777. The cubic root of 2313121339 is about 1322.5115442405.

The spelling of 2313121339 in words is "two billion, three hundred thirteen million, one hundred twenty-one thousand, three hundred thirty-nine".