131013102201 has 4 divisors (see below), whose sum is σ = 174684136272. Its totient is φ = 87342068132.

The previous prime is 131013102179. The next prime is 131013102203. The reversal of 131013102201 is 102201310131.

It is a happy number.

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 131013102201 - 2⁶ = 131013102137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131013102203) 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, 21835517031 + ... + 21835517036.

It is an arithmetic number, because the mean of its divisors is an integer number (43671034068).

Almost surely, 2^131013102201 is an apocalyptic number.

It is an amenable number.

131013102201 is a deficient number, since it is larger than the sum of its proper divisors (43671034071).

131013102201 is an equidigital number, since it uses as much as digits as its factorization.

131013102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43671034070.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131013102201 its reverse (102201310131), we get a palindrome (233214412332).

The spelling of 131013102201 in words is "one hundred thirty-one billion, thirteen million, one hundred two thousand, two hundred one".