113330221231 has 2 divisors, whose sum is σ = 113330221232. Its totient is φ = 113330221230.

The previous prime is 113330221223. The next prime is 113330221237. The reversal of 113330221231 is 132122033311.

It is a strong prime.

It is an emirp because it is prime and its reverse (132122033311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113330221231 - 2³ = 113330221223 is a prime.

It is a super-2 number, since 2×113330221231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113330221237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56665110615 + 56665110616.

It is an arithmetic number, because the mean of its divisors is an integer number (56665110616).

Almost surely, 2^113330221231 is an apocalyptic number.

113330221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

113330221231 is an equidigital number, since it uses as much as digits as its factorization.

113330221231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113330221231 its reverse (132122033311), we get a palindrome (245452254542).

The spelling of 113330221231 in words is "one hundred thirteen billion, three hundred thirty million, two hundred twenty-one thousand, two hundred thirty-one".