131302221311 has 4 divisors (see below), whose sum is σ = 131428596000. Its totient is φ = 131175846624.

The previous prime is 131302221307. The next prime is 131302221329. The reversal of 131302221311 is 113122203131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131302221311 - 2² = 131302221307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302221341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63185786 + ... + 63187863.

It is an arithmetic number, because the mean of its divisors is an integer number (32857149000).

Almost surely, 2^131302221311 is an apocalyptic number.

131302221311 is a deficient number, since it is larger than the sum of its proper divisors (126374689).

131302221311 is a wasteful number, since it uses less digits than its factorization.

131302221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126374688.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131302221311 its reverse (113122203131), we get a palindrome (244424424442).

The spelling of 131302221311 in words is "one hundred thirty-one billion, three hundred two million, two hundred twenty-one thousand, three hundred eleven".