131110111321 has 8 divisors (see below), whose sum is σ = 149842535360. Its totient is φ = 112378289328.

The previous prime is 131110111289. The next prime is 131110111331. The reversal of 131110111321 is 123111011131.

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 131110111321 - 2⁵ = 131110111289 is a prime.

It is a super-2 number, since 2×131110111321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131110111295 and 131110111304.

It is not an unprimeable number, because it can be changed into a prime (131110111331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508570 + ... + 721708.

It is an arithmetic number, because the mean of its divisors is an integer number (18730316920).

Almost surely, 2^131110111321 is an apocalyptic number.

It is an amenable number.

131110111321 is a deficient number, since it is larger than the sum of its proper divisors (18732424039).

131110111321 is an equidigital number, since it uses as much as digits as its factorization.

131110111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301023.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 131110111321 its reverse (123111011131), we get a palindrome (254221122452).

The spelling of 131110111321 in words is "one hundred thirty-one billion, one hundred ten million, one hundred eleven thousand, three hundred twenty-one".