42103306 has 32 divisors (see below), whose sum is σ = 74183040. Its totient is φ = 17549376.

The previous prime is 42103291. The next prime is 42103309. The reversal of 42103306 is 60330124.

It is a super-2 number, since 2×42103306² = 3545376752259272, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 132660 + ... + 132976.

It is an arithmetic number, because the mean of its divisors is an integer number (2318220).

Almost surely, 2^42103306 is an apocalyptic number.

42103306 is a deficient number, since it is larger than the sum of its proper divisors (32079734).

42103306 is a wasteful number, since it uses less digits than its factorization.

42103306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 42103306 is about 6488.7060343338. The cubic root of 42103306 is about 347.8874267051.

The spelling of 42103306 in words is "forty-two million, one hundred three thousand, three hundred six".