91741531422131 has 2 divisors, whose sum is σ = 91741531422132. Its totient is φ = 91741531422130.

The previous prime is 91741531422103. The next prime is 91741531422133. The reversal of 91741531422131 is 13122413514719.

It is a strong prime.

It is an emirp because it is prime and its reverse (13122413514719) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91741531422131 - 2¹⁴ = 91741531405747 is a prime.

It is a super-2 number, since 2×91741531422131² (a number of 29 digits) contains 22 as substring.

Together with 91741531422133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91741531422133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45870765711065 + 45870765711066.

It is an arithmetic number, because the mean of its divisors is an integer number (45870765711066).

Almost surely, 2^{91741531422131} is an apocalyptic number.

91741531422131 is a deficient number, since it is larger than the sum of its proper divisors (1).

91741531422131 is an equidigital number, since it uses as much as digits as its factorization.

91741531422131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 91741531422131 in words is "ninety-one trillion, seven hundred forty-one billion, five hundred thirty-one million, four hundred twenty-two thousand, one hundred thirty-one".