131300569501 has 2 divisors, whose sum is σ = 131300569502. Its totient is φ = 131300569500.

The previous prime is 131300569489. The next prime is 131300569507. The reversal of 131300569501 is 105965003131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122661052900 + 8639516601 = 350230^2 + 92949^2 .

It is a cyclic number.

It is not a de Polignac number, because 131300569501 - 2⁵ = 131300569469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131300569507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65650284750 + 65650284751.

It is an arithmetic number, because the mean of its divisors is an integer number (65650284751).

Almost surely, 2^131300569501 is an apocalyptic number.

It is an amenable number.

131300569501 is a deficient number, since it is larger than the sum of its proper divisors (1).

131300569501 is an equidigital number, since it uses as much as digits as its factorization.

131300569501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 34.

The spelling of 131300569501 in words is "one hundred thirty-one billion, three hundred million, five hundred sixty-nine thousand, five hundred one".