131241363142157 has 2 divisors, whose sum is σ = 131241363142158. Its totient is φ = 131241363142156.

The previous prime is 131241363142069. The next prime is 131241363142187. The reversal of 131241363142157 is 751241363142131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79794397738441 + 51446965403716 = 8932771^2 + 7172654^2 .

It is a cyclic number.

It is not a de Polignac number, because 131241363142157 - 2⁸ = 131241363141901 is a prime.

It is a super-2 number, since 2×131241363142157² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131241363142187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620681571078 + 65620681571079.

It is an arithmetic number, because the mean of its divisors is an integer number (65620681571079).

Almost surely, 2^{131241363142157} is an apocalyptic number.

It is an amenable number.

131241363142157 is a deficient number, since it is larger than the sum of its proper divisors (1).

131241363142157 is an equidigital number, since it uses as much as digits as its factorization.

131241363142157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The spelling of 131241363142157 in words is "one hundred thirty-one trillion, two hundred forty-one billion, three hundred sixty-three million, one hundred forty-two thousand, one hundred fifty-seven".