31424103 has 12 divisors (see below), whose sum is σ = 46030608. Its totient is φ = 20653920.

The previous prime is 31424087. The next prime is 31424117. The reversal of 31424103 is 30142413.

It is not a de Polignac number, because 31424103 - 2⁴ = 31424087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23950 + ... + 25227.

It is an arithmetic number, because the mean of its divisors is an integer number (3835884).

Almost surely, 2^31424103 is an apocalyptic number.

31424103 is a deficient number, since it is larger than the sum of its proper divisors (14606505).

31424103 is a wasteful number, since it uses less digits than its factorization.

31424103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49254 (or 49251 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 31424103 is about 5605.7205602848. The cubic root of 31424103 is about 315.5641289403.

Adding to 31424103 its reverse (30142413), we get a palindrome (61566516).

It can be divided in two parts, 3142410 and 3, that added together give a palindrome (3142413).

The spelling of 31424103 in words is "thirty-one million, four hundred twenty-four thousand, one hundred three".