131033311321 has 8 divisors (see below), whose sum is σ = 142948360800. Its totient is φ = 119118750240.

The previous prime is 131033311319. The next prime is 131033311351. The reversal of 131033311321 is 123113330131.

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 131033311321 - 2¹ = 131033311319 is a prime.

It is a super-2 number, since 2×131033311321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131033311292 and 131033311301.

It is not an unprimeable number, because it can be changed into a prime (131033311351) 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, 652650 + ... + 829468.

It is an arithmetic number, because the mean of its divisors is an integer number (17868545100).

Almost surely, 2^131033311321 is an apocalyptic number.

131033311321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131033311321 is a deficient number, since it is larger than the sum of its proper divisors (11915049479).

131033311321 is a wasteful number, since it uses less digits than its factorization.

131033311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244199.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131033311321 its reverse (123113330131), we get a palindrome (254146641452).

The spelling of 131033311321 in words is "one hundred thirty-one billion, thirty-three million, three hundred eleven thousand, three hundred twenty-one".