131012221402079 has 2 divisors, whose sum is σ = 131012221402080. Its totient is φ = 131012221402078.

The previous prime is 131012221401973. The next prime is 131012221402177. The reversal of 131012221402079 is 970204122210131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131012221402079 - 2⁸ = 131012221401823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131012221402379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65506110701039 + 65506110701040.

It is an arithmetic number, because the mean of its divisors is an integer number (65506110701040).

Almost surely, 2^{131012221402079} is an apocalyptic number.

131012221402079 is a deficient number, since it is larger than the sum of its proper divisors (1).

131012221402079 is an equidigital number, since it uses as much as digits as its factorization.

131012221402079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 131012221402079 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-one million, four hundred two thousand, seventy-nine".