131311130312311 has 2 divisors, whose sum is σ = 131311130312312. Its totient is φ = 131311130312310.

The previous prime is 131311130312309. The next prime is 131311130312321. The reversal of 131311130312311 is 113213031113131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131311130312311 - 2¹ = 131311130312309 is a prime.

It is a super-2 number, since 2×131311130312311² (a number of 29 digits) contains 22 as substring.

Together with 131311130312309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131311130312321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655565156155 + 65655565156156.

It is an arithmetic number, because the mean of its divisors is an integer number (65655565156156).

Almost surely, 2^{131311130312311} is an apocalyptic number.

131311130312311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131311130312311 is an equidigital number, since it uses as much as digits as its factorization.

131311130312311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 131311130312311 its reverse (113213031113131), we get a palindrome (244524161425442).

The spelling of 131311130312311 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred thirty million, three hundred twelve thousand, three hundred eleven".