131441215993 has 2 divisors, whose sum is σ = 131441215994. Its totient is φ = 131441215992.

The previous prime is 131441215943. The next prime is 131441216021. The reversal of 131441215993 is 399512144131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130297897024 + 1143318969 = 360968^2 + 33813^2 .

It is a cyclic number.

It is not a de Polignac number, because 131441215993 - 2⁹ = 131441215481 is a prime.

It is not a weakly prime, because it can be changed into another prime (131441215943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65720607996 + 65720607997.

It is an arithmetic number, because the mean of its divisors is an integer number (65720607997).

Almost surely, 2^131441215993 is an apocalyptic number.

It is an amenable number.

131441215993 is a deficient number, since it is larger than the sum of its proper divisors (1).

131441215993 is an equidigital number, since it uses as much as digits as its factorization.

131441215993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The spelling of 131441215993 in words is "one hundred thirty-one billion, four hundred forty-one million, two hundred fifteen thousand, nine hundred ninety-three".