113042071 has 4 divisors (see below), whose sum is σ = 113077944. Its totient is φ = 113006200.

The previous prime is 113042063. The next prime is 113042081. The reversal of 113042071 is 170240311.

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

It is a cyclic number.

It is not a de Polignac number, because 113042071 - 2³ = 113042063 is a prime.

It is a super-3 number, since 3×113042071³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113042021) 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, 12700 + ... + 19681.

It is an arithmetic number, because the mean of its divisors is an integer number (28269486).

Almost surely, 2^113042071 is an apocalyptic number.

113042071 is a deficient number, since it is larger than the sum of its proper divisors (35873).

113042071 is an equidigital number, since it uses as much as digits as its factorization.

113042071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35872.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 113042071 is about 10632.1244819650. The cubic root of 113042071 is about 483.5188040741.

Adding to 113042071 its reverse (170240311), we get a palindrome (283282382).

The spelling of 113042071 in words is "one hundred thirteen million, forty-two thousand, seventy-one".