113221202311031 has 16 divisors (see below), whose sum is σ = 120702491520000. Its totient is φ = 105892448497056.

The previous prime is 113221202310949. The next prime is 113221202311099. The reversal of 113221202311031 is 130113202122311.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113221202311031 is a prime.

It is a super-2 number, since 2×113221202311031² (a number of 29 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 = 113221202310988 and 113221202311006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221202311631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9000425 + ... + 17534253.

It is an arithmetic number, because the mean of its divisors is an integer number (7543905720000).

Almost surely, 2^{113221202311031} is an apocalyptic number.

113221202311031 is a deficient number, since it is larger than the sum of its proper divisors (7481289208969).

113221202311031 is an equidigital number, since it uses as much as digits as its factorization.

113221202311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542766.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 113221202311031 its reverse (130113202122311), we get a palindrome (243334404433342).

The spelling of 113221202311031 in words is "one hundred thirteen trillion, two hundred twenty-one billion, two hundred two million, three hundred eleven thousand, thirty-one".