131403432170977 has 2 divisors, whose sum is σ = 131403432170978. Its totient is φ = 131403432170976.

The previous prime is 131403432170951. The next prime is 131403432170987. The reversal of 131403432170977 is 779071234304131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86269005948321 + 45134426222656 = 9288111^2 + 6718216^2 .

It is a cyclic number.

It is not a de Polignac number, because 131403432170977 - 2⁷ = 131403432170849 is a prime.

It is a super-2 number, since 2×131403432170977² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131403432170987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701716085488 + 65701716085489.

It is an arithmetic number, because the mean of its divisors is an integer number (65701716085489).

Almost surely, 2^{131403432170977} is an apocalyptic number.

It is an amenable number.

131403432170977 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403432170977 is an equidigital number, since it uses as much as digits as its factorization.

131403432170977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 131403432170977 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-two million, one hundred seventy thousand, nine hundred seventy-seven".