131162774251 has 2 divisors, whose sum is σ = 131162774252. Its totient is φ = 131162774250.

The previous prime is 131162774221. The next prime is 131162774257. The reversal of 131162774251 is 152477261131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131162774251 - 2¹¹ = 131162772203 is a prime.

It is a super-2 number, since 2×131162774251² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131162774257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65581387125 + 65581387126.

It is an arithmetic number, because the mean of its divisors is an integer number (65581387126).

Almost surely, 2^131162774251 is an apocalyptic number.

131162774251 is a deficient number, since it is larger than the sum of its proper divisors (1).

131162774251 is an equidigital number, since it uses as much as digits as its factorization.

131162774251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The spelling of 131162774251 in words is "one hundred thirty-one billion, one hundred sixty-two million, seven hundred seventy-four thousand, two hundred fifty-one".