2313120213121 has 2 divisors, whose sum is σ = 2313120213122. Its totient is φ = 2313120213120.

The previous prime is 2313120213059. The next prime is 2313120213133. The reversal of 2313120213121 is 1213120213132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2290875982096 + 22244231025 = 1513564^2 + 149145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313120213121 - 2⁷ = 2313120212993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2313120213092 and 2313120213101.

It is not a weakly prime, because it can be changed into another prime (2313120219121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156560106560 + 1156560106561.

It is an arithmetic number, because the mean of its divisors is an integer number (1156560106561).

Almost surely, 2^{2313120213121} is an apocalyptic number.

It is an amenable number.

2313120213121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313120213121 is an equidigital number, since it uses as much as digits as its factorization.

2313120213121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2313120213121 its reverse (1213120213132), we get a palindrome (3526240426253).

The spelling of 2313120213121 in words is "two trillion, three hundred thirteen billion, one hundred twenty million, two hundred thirteen thousand, one hundred twenty-one".