31104444 has 48 divisors (see below), whose sum is σ = 87315200. Its totient is φ = 8418816.

The previous prime is 31104431. The next prime is 31104473. The reversal of 31104444 is 44440113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31104444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8149 + ... + 11340.

Almost surely, 2^31104444 is an apocalyptic number.

It is an amenable number.

31104444 is an abundant number, since it is smaller than the sum of its proper divisors (56210756).

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

31104444 is a wasteful number, since it uses less digits than its factorization.

31104444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19522 (or 19520 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 31104444 is about 5577.1358240588. The cubic root of 31104444 is about 314.4904637089.

Adding to 31104444 its reverse (44440113), we get a palindrome (75544557).

The spelling of 31104444 in words is "thirty-one million, one hundred four thousand, four hundred forty-four".