113313251 has 2 divisors, whose sum is σ = 113313252. Its totient is φ = 113313250.

The previous prime is 113313241. The next prime is 113313253. The reversal of 113313251 is 152313311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113313251 is a prime.

Together with 113313253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113313253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56656625 + 56656626.

It is an arithmetic number, because the mean of its divisors is an integer number (56656626).

Almost surely, 2^113313251 is an apocalyptic number.

113313251 is a deficient number, since it is larger than the sum of its proper divisors (1).

113313251 is an equidigital number, since it uses as much as digits as its factorization.

113313251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 20.

The square root of 113313251 is about 10644.8697032890. The cubic root of 113313251 is about 483.9051378756.

Adding to 113313251 its reverse (152313311), we get a palindrome (265626562).

The spelling of 113313251 in words is "one hundred thirteen million, three hundred thirteen thousand, two hundred fifty-one".