2313120311 has 4 divisors (see below), whose sum is σ = 2352325800. Its totient is φ = 2273914824.

The previous prime is 2313120269. The next prime is 2313120323. The reversal of 2313120311 is 1130213132.

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 2313120311 - 2¹⁴ = 2313103927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313120311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313120331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19602656 + ... + 19602773.

It is an arithmetic number, because the mean of its divisors is an integer number (588081450).

Almost surely, 2^2313120311 is an apocalyptic number.

2313120311 is a deficient number, since it is larger than the sum of its proper divisors (39205489).

2313120311 is an equidigital number, since it uses as much as digits as its factorization.

2313120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39205488.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2313120311 is about 48094.9094083771. The cubic root of 2313120311 is about 1322.5113483231.

Adding to 2313120311 its reverse (1130213132), we get a palindrome (3443333443).

The spelling of 2313120311 in words is "two billion, three hundred thirteen million, one hundred twenty thousand, three hundred eleven".