31104064 has 28 divisors (see below), whose sum is σ = 64973200. Its totient is φ = 14732928.

The previous prime is 31104049. The next prime is 31104077. The reversal of 31104064 is 46040113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 3 ways as a sum of consecutive naturals, for example, 11574 + ... + 14005.

Almost surely, 2^31104064 is an apocalyptic number.

It is an amenable number.

31104064 is an abundant number, since it is smaller than the sum of its proper divisors (33869136).

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

31104064 is a wasteful number, since it uses less digits than its factorization.

31104064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25610 (or 25600 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 31104064 is about 5577.1017562888. The cubic root of 31104064 is about 314.4891830038.

Adding to 31104064 its reverse (46040113), we get a palindrome (77144177).

The spelling of 31104064 in words is "thirty-one million, one hundred four thousand, sixty-four".