113435031 has 4 divisors (see below), whose sum is σ = 151246712. Its totient is φ = 75623352.

The previous prime is 113435029. The next prime is 113435059. The reversal of 113435031 is 130534311.

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

It is not a de Polignac number, because 113435031 - 2¹ = 113435029 is a prime.

It is a super-2 number, since 2×113435031² = 25735012515941922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113434989 and 113435007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113435071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18905836 + ... + 18905841.

It is an arithmetic number, because the mean of its divisors is an integer number (37811678).

Almost surely, 2^113435031 is an apocalyptic number.

113435031 is a deficient number, since it is larger than the sum of its proper divisors (37811681).

113435031 is an equidigital number, since it uses as much as digits as its factorization.

113435031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37811680.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 113435031 is about 10650.5882936108. The cubic root of 113435031 is about 484.0784299625.

Adding to 113435031 its reverse (130534311), we get a palindrome (243969342).

The spelling of 113435031 in words is "one hundred thirteen million, four hundred thirty-five thousand, thirty-one".