113221430351 has 2 divisors, whose sum is σ = 113221430352. Its totient is φ = 113221430350.

The previous prime is 113221430339. The next prime is 113221430389. The reversal of 113221430351 is 153034122311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113221430351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113221430351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113221430251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610715175 + 56610715176.

It is an arithmetic number, because the mean of its divisors is an integer number (56610715176).

Almost surely, 2^113221430351 is an apocalyptic number.

113221430351 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221430351 is an equidigital number, since it uses as much as digits as its factorization.

113221430351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 113221430351 its reverse (153034122311), we get a palindrome (266255552662).

The spelling of 113221430351 in words is "one hundred thirteen billion, two hundred twenty-one million, four hundred thirty thousand, three hundred fifty-one".