131113948943 has 2 divisors, whose sum is σ = 131113948944. Its totient is φ = 131113948942.

The previous prime is 131113948921. The next prime is 131113948981. The reversal of 131113948943 is 349849311131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131113948943 - 2⁸ = 131113948687 is a prime.

It is a super-2 number, since 2×131113948943² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131113948993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556974471 + 65556974472.

It is an arithmetic number, because the mean of its divisors is an integer number (65556974472).

Almost surely, 2^131113948943 is an apocalyptic number.

131113948943 is a deficient number, since it is larger than the sum of its proper divisors (1).

131113948943 is an equidigital number, since it uses as much as digits as its factorization.

131113948943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The spelling of 131113948943 in words is "one hundred thirty-one billion, one hundred thirteen million, nine hundred forty-eight thousand, nine hundred forty-three".