42113103 has 4 divisors (see below), whose sum is σ = 56150808. Its totient is φ = 28075400.

The previous prime is 42113087. The next prime is 42113107. The reversal of 42113103 is 30131124.

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 42113103 - 2⁴ = 42113087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42113107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7018848 + ... + 7018853.

It is an arithmetic number, because the mean of its divisors is an integer number (14037702).

Almost surely, 2^42113103 is an apocalyptic number.

42113103 is a deficient number, since it is larger than the sum of its proper divisors (14037705).

42113103 is a wasteful number, since it uses less digits than its factorization.

42113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037704.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 42113103 is about 6489.4609175185. The cubic root of 42113103 is about 347.9144078706.

Adding to 42113103 its reverse (30131124), we get a palindrome (72244227).

The spelling of 42113103 in words is "forty-two million, one hundred thirteen thousand, one hundred three".