31430104 has 24 divisors (see below), whose sum is σ = 62202060. Its totient is φ = 14886576.

The previous prime is 31430081. The next prime is 31430117. The reversal of 31430104 is 40103413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2554 + ... + 8329.

Almost surely, 2^31430104 is an apocalyptic number.

It is an amenable number.

31430104 is a deficient number, since it is larger than the sum of its proper divisors (30771956).

31430104 is a wasteful number, since it uses less digits than its factorization.

31430104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927 (or 10904 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31430104 is about 5606.2557915243. The cubic root of 31430104 is about 315.5842152182.

Adding to 31430104 its reverse (40103413), we get a palindrome (71533517).

The spelling of 31430104 in words is "thirty-one million, four hundred thirty thousand, one hundred four".