131403432121079 has 2 divisors, whose sum is σ = 131403432121080. Its totient is φ = 131403432121078.

The previous prime is 131403432121037. The next prime is 131403432121099. The reversal of 131403432121079 is 970121234304131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131403432121079 - 2¹⁶ = 131403432055543 is a prime.

It is a super-2 number, since 2×131403432121079² (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 (131403432121099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701716060539 + 65701716060540.

It is an arithmetic number, because the mean of its divisors is an integer number (65701716060540).

Almost surely, 2^{131403432121079} is an apocalyptic number.

131403432121079 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403432121079 is an equidigital number, since it uses as much as digits as its factorization.

131403432121079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 131403432121079 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-two million, one hundred twenty-one thousand, seventy-nine".