131722200788671 has 2 divisors, whose sum is σ = 131722200788672. Its totient is φ = 131722200788670.

The previous prime is 131722200788611. The next prime is 131722200788693. The reversal of 131722200788671 is 176887002227131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131722200788671 - 2⁷ = 131722200788543 is a prime.

It is a super-2 number, since 2×131722200788671² (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 (131722200788611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65861100394335 + 65861100394336.

It is an arithmetic number, because the mean of its divisors is an integer number (65861100394336).

Almost surely, 2^{131722200788671} is an apocalyptic number.

131722200788671 is a deficient number, since it is larger than the sum of its proper divisors (1).

131722200788671 is an equidigital number, since it uses as much as digits as its factorization.

131722200788671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 131722200788671 in words is "one hundred thirty-one trillion, seven hundred twenty-two billion, two hundred million, seven hundred eighty-eight thousand, six hundred seventy-one".