131321013233 has 8 divisors (see below), whose sum is σ = 137335824000. Its totient is φ = 125331635968.

The previous prime is 131321013221. The next prime is 131321013247. The reversal of 131321013233 is 332310123131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131321013233 is a prime.

It is a super-2 number, since 2×131321013233² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131321013199 and 131321013208.

It is not an unprimeable number, because it can be changed into a prime (131321013203) 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, 6347813 + ... + 6368466.

It is an arithmetic number, because the mean of its divisors is an integer number (17166978000).

Almost surely, 2^131321013233 is an apocalyptic number.

It is an amenable number.

131321013233 is a deficient number, since it is larger than the sum of its proper divisors (6014810767).

131321013233 is a wasteful number, since it uses less digits than its factorization.

131321013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716751.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131321013233 its reverse (332310123131), we get a palindrome (463631136364).

The spelling of 131321013233 in words is "one hundred thirty-one billion, three hundred twenty-one million, thirteen thousand, two hundred thirty-three".