42031703 has 16 divisors (see below), whose sum is σ = 49239360. Its totient is φ = 35133696.

The previous prime is 42031673. The next prime is 42031711. The reversal of 42031703 is 30713024.

It is a cyclic number.

It is not a de Polignac number, because 42031703 - 2⁸ = 42031447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031783) 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, 102563 + ... + 102971.

It is an arithmetic number, because the mean of its divisors is an integer number (3077460).

Almost surely, 2^42031703 is an apocalyptic number.

42031703 is a deficient number, since it is larger than the sum of its proper divisors (7207657).

42031703 is a wasteful number, since it uses less digits than its factorization.

42031703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

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

The square root of 42031703 is about 6483.1861765647. The cubic root of 42031703 is about 347.6901031844.

Adding to 42031703 its reverse (30713024), we get a palindrome (72744727).

It can be divided in two parts, 420 and 31703, that added together give a palindrome (32123).

The spelling of 42031703 in words is "forty-two million, thirty-one thousand, seven hundred three".