12131321010331 has 2 divisors, whose sum is σ = 12131321010332. Its totient is φ = 12131321010330.

The previous prime is 12131321010299. The next prime is 12131321010343. The reversal of 12131321010331 is 13301012313121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12131321010331 - 2⁵ = 12131321010299 is a prime.

It is a super-2 number, since 2×12131321010331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12131321010931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065660505165 + 6065660505166.

It is an arithmetic number, because the mean of its divisors is an integer number (6065660505166).

Almost surely, 2^{12131321010331} is an apocalyptic number.

12131321010331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131321010331 is an equidigital number, since it uses as much as digits as its factorization.

12131321010331 is an evil number, because the sum of its binary digits is even.

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

Adding to 12131321010331 its reverse (13301012313121), we get a palindrome (25432333323452).

The spelling of 12131321010331 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty-one million, ten thousand, three hundred thirty-one".