31330104 has 32 divisors (see below), whose sum is σ = 84351120. Its totient is φ = 9639936.

The previous prime is 31330087. The next prime is 31330111. The reversal of 31330104 is 40103313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49897 + ... + 50520.

Almost surely, 2^31330104 is an apocalyptic number.

It is an amenable number.

31330104 is an abundant number, since it is smaller than the sum of its proper divisors (53021016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31330104 is a wasteful number, since it uses less digits than its factorization.

31330104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100439 (or 100435 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 31330104 is about 5597.3300778139. The cubic root of 31330104 is about 315.2491654177.

Adding to 31330104 its reverse (40103313), we get a palindrome (71433417).

The spelling of 31330104 in words is "thirty-one million, three hundred thirty thousand, one hundred four".