113343501253 has 4 divisors (see below), whose sum is σ = 114065434540. Its totient is φ = 112621567968.

The previous prime is 113343501251. The next prime is 113343501259. The reversal of 113343501253 is 352105343311.

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: 352105343311 = 31 ⋅11358236881.

It can be written as a sum of positive squares in 2 ways, for example, as 9526150404 + 103817350849 = 97602^2 + 322207^2 .

It is a cyclic number.

It is not a de Polignac number, because 113343501253 - 2¹ = 113343501251 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 (113343501251) 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, 360966408 + ... + 360966721.

It is an arithmetic number, because the mean of its divisors is an integer number (28516358635).

Almost surely, 2^113343501253 is an apocalyptic number.

It is an amenable number.

113343501253 is a deficient number, since it is larger than the sum of its proper divisors (721933287).

113343501253 is an equidigital number, since it uses as much as digits as its factorization.

113343501253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721933286.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 113343501253 its reverse (352105343311), we get a palindrome (465448844564).

The spelling of 113343501253 in words is "one hundred thirteen billion, three hundred forty-three million, five hundred one thousand, two hundred fifty-three".