113043031 has 2 divisors, whose sum is σ = 113043032. Its totient is φ = 113043030.

The previous prime is 113043023. The next prime is 113043061. The reversal of 113043031 is 130340311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113043031 - 2³ = 113043023 is a prime.

It is a super-3 number, since 3×113043031³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 113042996 and 113043014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113043061) 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 as a sum of consecutive naturals, namely, 56521515 + 56521516.

It is an arithmetic number, because the mean of its divisors is an integer number (56521516).

Almost surely, 2^113043031 is an apocalyptic number.

113043031 is a deficient number, since it is larger than the sum of its proper divisors (1).

113043031 is an equidigital number, since it uses as much as digits as its factorization.

113043031 is an odious number, because the sum of its binary digits is odd.

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

The square root of 113043031 is about 10632.1696280675. The cubic root of 113043031 is about 483.5201728174.

Adding to 113043031 its reverse (130340311), we get a palindrome (243383342).

The spelling of 113043031 in words is "one hundred thirteen million, forty-three thousand, thirty-one".