42103307 has 4 divisors (see below), whose sum is σ = 42166176. Its totient is φ = 42040440.

The previous prime is 42103291. The next prime is 42103309. The reversal of 42103307 is 70330124.

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 42103307 - 2⁴ = 42103291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42103309) 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, 30419 + ... + 31772.

It is an arithmetic number, because the mean of its divisors is an integer number (10541544).

Almost surely, 2^42103307 is an apocalyptic number.

42103307 is a deficient number, since it is larger than the sum of its proper divisors (62869).

42103307 is an equidigital number, since it uses as much as digits as its factorization.

42103307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62868.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 42103307 is about 6488.7061113908. The cubic root of 42103307 is about 347.8874294593.

The spelling of 42103307 in words is "forty-two million, one hundred three thousand, three hundred seven".