131322313101 has 16 divisors (see below), whose sum is σ = 208810635264. Its totient is φ = 71778655344.

The previous prime is 131322313097. The next prime is 131322313117. The reversal of 131322313101 is 101313223131.

It is a happy number.

It is not a de Polignac number, because 131322313101 - 2² = 131322313097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322313601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135943941 + ... + 135944906.

It is an arithmetic number, because the mean of its divisors is an integer number (13050664704).

Almost surely, 2^131322313101 is an apocalyptic number.

It is an amenable number.

131322313101 is a deficient number, since it is larger than the sum of its proper divisors (77488322163).

131322313101 is a wasteful number, since it uses less digits than its factorization.

131322313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271888880.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131322313101 its reverse (101313223131), we get a palindrome (232635536232).

The spelling of 131322313101 in words is "one hundred thirty-one billion, three hundred twenty-two million, three hundred thirteen thousand, one hundred one".