131330121102013 has 4 divisors (see below), whose sum is σ = 131336822663740. Its totient is φ = 131323419540288.

The previous prime is 131330121101987. The next prime is 131330121102071. The reversal of 131330121102013 is 310201121033131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32631022495449 + 98699098606564 = 5712357^2 + 9934742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131330121102013 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 (131330121109013) 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, 3350751468 + ... + 3350790661.

It is an arithmetic number, because the mean of its divisors is an integer number (32834205665935).

Almost surely, 2^{131330121102013} is an apocalyptic number.

It is an amenable number.

131330121102013 is a deficient number, since it is larger than the sum of its proper divisors (6701561727).

131330121102013 is an equidigital number, since it uses as much as digits as its factorization.

131330121102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701561726.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131330121102013 its reverse (310201121033131), we get a palindrome (441531242135144).

The spelling of 131330121102013 in words is "one hundred thirty-one trillion, three hundred thirty billion, one hundred twenty-one million, one hundred two thousand, thirteen".