113031043 has 4 divisors (see below), whose sum is σ = 113293728. Its totient is φ = 112768360.

The previous prime is 113031031. The next prime is 113031091. The reversal of 113031043 is 340130311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340130311 = 137 ⋅2482703.

It is a cyclic number.

It is not a de Polignac number, because 113031043 - 2²⁵ = 79476611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113031013) 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, 130696 + ... + 131557.

It is an arithmetic number, because the mean of its divisors is an integer number (28323432).

Almost surely, 2^113031043 is an apocalyptic number.

113031043 is a deficient number, since it is larger than the sum of its proper divisors (262685).

113031043 is an equidigital number, since it uses as much as digits as its factorization.

113031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262684.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113031043 is about 10631.6058523630. The cubic root of 113031043 is about 483.5030800793.

Adding to 113031043 its reverse (340130311), we get a palindrome (453161354).

The spelling of 113031043 in words is "one hundred thirteen million, thirty-one thousand, forty-three".