131320622663 has 4 divisors (see below), whose sum is σ = 131345722608. Its totient is φ = 131295522720.

The previous prime is 131320622579. The next prime is 131320622683. The reversal of 131320622663 is 366226023131.

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 131320622663 - 2¹⁴ = 131320606279 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 (131320622683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12542123 + ... + 12552588.

It is an arithmetic number, because the mean of its divisors is an integer number (32836430652).

Almost surely, 2^131320622663 is an apocalyptic number.

131320622663 is a deficient number, since it is larger than the sum of its proper divisors (25099945).

131320622663 is an equidigital number, since it uses as much as digits as its factorization.

131320622663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25099944.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 131320622663 its reverse (366226023131), we get a palindrome (497546645794).

The spelling of 131320622663 in words is "one hundred thirty-one billion, three hundred twenty million, six hundred twenty-two thousand, six hundred sixty-three".