113234551 has 4 divisors (see below), whose sum is σ = 113269552. Its totient is φ = 113199552.

The previous prime is 113234503. The next prime is 113234557. The reversal of 113234551 is 155432311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155432311 = 9431 ⋅16481.

It is a cyclic number.

It is not a de Polignac number, because 113234551 - 2¹⁵ = 113201783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113234557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12090 + ... + 19303.

It is an arithmetic number, because the mean of its divisors is an integer number (28317388).

Almost surely, 2^113234551 is an apocalyptic number.

113234551 is a deficient number, since it is larger than the sum of its proper divisors (35001).

113234551 is an equidigital number, since it uses as much as digits as its factorization.

113234551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35000.

The product of its digits is 1800, while the sum is 25.

The square root of 113234551 is about 10641.1724448014. The cubic root of 113234551 is about 483.7930822712.

Adding to 113234551 its reverse (155432311), we get a palindrome (268666862).

The spelling of 113234551 in words is "one hundred thirteen million, two hundred thirty-four thousand, five hundred fifty-one".