12131322230311 has 2 divisors, whose sum is σ = 12131322230312. Its totient is φ = 12131322230310.

The previous prime is 12131322230263. The next prime is 12131322230347. The reversal of 12131322230311 is 11303222313121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12131322230311 - 2²⁵ = 12131288675879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131322230381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065661115155 + 6065661115156.

It is an arithmetic number, because the mean of its divisors is an integer number (6065661115156).

Almost surely, 2^{12131322230311} is an apocalyptic number.

12131322230311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131322230311 is an equidigital number, since it uses as much as digits as its factorization.

12131322230311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12131322230311 its reverse (11303222313121), we get a palindrome (23434544543432).

It can be divided in two parts, 1213132 and 2230311, that added together give a palindrome (3443443).

The spelling of 12131322230311 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty-two million, two hundred thirty thousand, three hundred eleven".