113144351 has 4 divisors (see below), whose sum is σ = 113281992. Its totient is φ = 113006712.

The previous prime is 113144329. The next prime is 113144357. The reversal of 113144351 is 153441311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113144351 - 2⁶ = 113144287 is a prime.

It is a super-2 number, since 2×113144351² = 25603288326422402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113144357) 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 3 ways as a sum of consecutive naturals, for example, 67580 + ... + 69233.

It is an arithmetic number, because the mean of its divisors is an integer number (28320498).

Almost surely, 2^113144351 is an apocalyptic number.

113144351 is a deficient number, since it is larger than the sum of its proper divisors (137641).

113144351 is an equidigital number, since it uses as much as digits as its factorization.

113144351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137640.

The product of its digits is 720, while the sum is 23.

The square root of 113144351 is about 10636.9333456594. The cubic root of 113144351 is about 483.6645887216.

Adding to 113144351 its reverse (153441311), we get a palindrome (266585662).

The spelling of 113144351 in words is "one hundred thirteen million, one hundred forty-four thousand, three hundred fifty-one".