131201421020587 has 2 divisors, whose sum is σ = 131201421020588. Its totient is φ = 131201421020586.

The previous prime is 131201421020521. The next prime is 131201421020591. The reversal of 131201421020587 is 785020124102131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131201421020587 - 2⁷ = 131201421020459 is a prime.

It is not a weakly prime, because it can be changed into another prime (131201421020287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600710510293 + 65600710510294.

It is an arithmetic number, because the mean of its divisors is an integer number (65600710510294).

Almost surely, 2^{131201421020587} is an apocalyptic number.

131201421020587 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201421020587 is an equidigital number, since it uses as much as digits as its factorization.

131201421020587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 131201421020587 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, twenty thousand, five hundred eighty-seven".