12131301131 has 2 divisors, whose sum is σ = 12131301132. Its totient is φ = 12131301130.

The previous prime is 12131301059. The next prime is 12131301139. The reversal of 12131301131 is 13110313121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12131301131 - 2³⁰ = 11057559307 is a prime.

It is a super-2 number, since 2×12131301131² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12131301139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065650565 + 6065650566.

It is an arithmetic number, because the mean of its divisors is an integer number (6065650566).

Almost surely, 2^12131301131 is an apocalyptic number.

12131301131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131301131 is an equidigital number, since it uses as much as digits as its factorization.

12131301131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12131301131 its reverse (13110313121), we get a palindrome (25241614252).

The spelling of 12131301131 in words is "twelve billion, one hundred thirty-one million, three hundred one thousand, one hundred thirty-one".