131302221995 has 32 divisors (see below), whose sum is σ = 183613381632. Its totient is φ = 88267600512.

The previous prime is 131302221991. The next prime is 131302222027. The reversal of 131302221995 is 599122203131.

It is not a de Polignac number, because 131302221995 - 2² = 131302221991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131302221991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2389904 + ... + 2444226.

It is an arithmetic number, because the mean of its divisors is an integer number (5737918176).

Almost surely, 2^131302221995 is an apocalyptic number.

131302221995 is a deficient number, since it is larger than the sum of its proper divisors (52311159637).

131302221995 is a wasteful number, since it uses less digits than its factorization.

131302221995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55691.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 131302221995 in words is "one hundred thirty-one billion, three hundred two million, two hundred twenty-one thousand, nine hundred ninety-five".