2311013313121 has 2 divisors, whose sum is σ = 2311013313122. Its totient is φ = 2311013313120.

The previous prime is 2311013313113. The next prime is 2311013313229. The reversal of 2311013313121 is 1213133101132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1432416410896 + 878596902225 = 1196836^2 + 937335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311013313121 - 2³ = 2311013313113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311013313092 and 2311013313101.

It is not a weakly prime, because it can be changed into another prime (2311013314121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155506656560 + 1155506656561.

It is an arithmetic number, because the mean of its divisors is an integer number (1155506656561).

Almost surely, 2^{2311013313121} is an apocalyptic number.

It is an amenable number.

2311013313121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311013313121 is an equidigital number, since it uses as much as digits as its factorization.

2311013313121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2311013313121 its reverse (1213133101132), we get a palindrome (3524146414253).

The spelling of 2311013313121 in words is "two trillion, three hundred eleven billion, thirteen million, three hundred thirteen thousand, one hundred twenty-one".