31104004 has 24 divisors (see below), whose sum is σ = 57879360. Its totient is φ = 14592864.

The previous prime is 31103993. The next prime is 31104049. The reversal of 31104004 is 40040113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687 + ... + 8065.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 2^31104004 is an apocalyptic number.

It is an amenable number.

31104004 is a deficient number, since it is larger than the sum of its proper divisors (26775356).

31104004 is a wasteful number, since it uses less digits than its factorization.

31104004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 31104004 is about 5577.0963771482. The cubic root of 31104004 is about 314.4889807862.

Adding to 31104004 its reverse (40040113), we get a palindrome (71144117).

The spelling of 31104004 in words is "thirty-one million, one hundred four thousand, four".