131031110101 has 4 divisors (see below), whose sum is σ = 136728114912. Its totient is φ = 125334105292.

The previous prime is 131031110071. The next prime is 131031110131. The reversal of 131031110101 is 101011130131.

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 an interprime number because it is at equal distance from previous prime (131031110071) and next prime (131031110131).

It is a cyclic number.

It is not a de Polignac number, because 131031110101 - 2¹⁹ = 131030585813 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 (131031110131) 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, 2848502371 + ... + 2848502416.

It is an arithmetic number, because the mean of its divisors is an integer number (34182028728).

Almost surely, 2^131031110101 is an apocalyptic number.

It is an amenable number.

131031110101 is a deficient number, since it is larger than the sum of its proper divisors (5697004811).

131031110101 is an equidigital number, since it uses as much as digits as its factorization.

131031110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697004810.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 131031110101 its reverse (101011130131), we get a palindrome (232042240232).

The spelling of 131031110101 in words is "one hundred thirty-one billion, thirty-one million, one hundred ten thousand, one hundred one".