2313120213131 has 16 divisors (see below), whose sum is σ = 2873035704000. Its totient is φ = 1813370571648.

The previous prime is 2313120213121. The next prime is 2313120213133. The reversal of 2313120213131 is 1313120213132.

It is a cyclic number.

It is not a de Polignac number, because 2313120213131 - 2²² = 2313116018827 is a prime.

It is a super-2 number, since 2×2313120213131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2313120213097 and 2313120213106.

It is not an unprimeable number, because it can be changed into a prime (2313120213133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116590556 + ... + 116610393.

It is an arithmetic number, because the mean of its divisors is an integer number (179564731500).

Almost surely, 2^{2313120213131} is an apocalyptic number.

2313120213131 is a deficient number, since it is larger than the sum of its proper divisors (559915490869).

2313120213131 is a wasteful number, since it uses less digits than its factorization.

2313120213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233201078.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2313120213131 its reverse (1313120213132), we get a palindrome (3626240426263).

Subtracting from 2313120213131 its reverse (1313120213132), we obtain a palindrome (999999999999).

The spelling of 2313120213131 in words is "two trillion, three hundred thirteen billion, one hundred twenty million, two hundred thirteen thousand, one hundred thirty-one".