131113130111321 has 8 divisors (see below), whose sum is σ = 131139980853864. Its totient is φ = 131086280171520.

The previous prime is 131113130111297. The next prime is 131113130111351. The reversal of 131113130111321 is 123111031311131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20858174055625 + 110254956055696 = 4567075^2 + 10500236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131113130111321 - 2³⁸ = 130838252204377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131113130111351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411740861 + ... + 412059173.

It is an arithmetic number, because the mean of its divisors is an integer number (16392497606733).

Almost surely, 2^{131113130111321} is an apocalyptic number.

It is an amenable number.

131113130111321 is a deficient number, since it is larger than the sum of its proper divisors (26850742543).

131113130111321 is an equidigital number, since it uses as much as digits as its factorization.

131113130111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401371.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 131113130111321 its reverse (123111031311131), we get a palindrome (254224161422452).

The spelling of 131113130111321 in words is "one hundred thirty-one trillion, one hundred thirteen billion, one hundred thirty million, one hundred eleven thousand, three hundred twenty-one".