131122131313101 has 4 divisors (see below), whose sum is σ = 174829508417472. Its totient is φ = 87414754208732.

The previous prime is 131122131313099. The next prime is 131122131313109. The reversal of 131122131313101 is 101313131221131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131122131313101 - 2¹ = 131122131313099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122131313109) 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, 21853688552181 + ... + 21853688552186.

It is an arithmetic number, because the mean of its divisors is an integer number (43707377104368).

Almost surely, 2^{131122131313101} is an apocalyptic number.

It is an amenable number.

131122131313101 is a deficient number, since it is larger than the sum of its proper divisors (43707377104371).

131122131313101 is an equidigital number, since it uses as much as digits as its factorization.

131122131313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43707377104370.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 131122131313101 its reverse (101313131221131), we get a palindrome (232435262534232).

The spelling of 131122131313101 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred one".