31104426 has 16 divisors (see below), whose sum is σ = 62397504. Its totient is φ = 10336704.

The previous prime is 31104419. The next prime is 31104427. The reversal of 31104426 is 62440113.

It is not an unprimeable number, because it can be changed into a prime (31104427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5670 + ... + 9713.

It is an arithmetic number, because the mean of its divisors is an integer number (3899844).

Almost surely, 2^31104426 is an apocalyptic number.

31104426 is an abundant number, since it is smaller than the sum of its proper divisors (31293078).

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

31104426 is a wasteful number, since it uses less digits than its factorization.

31104426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 31104426 is about 5577.1342103270. The cubic root of 31104426 is about 314.4904030442.

Adding to 31104426 its reverse (62440113), we get a palindrome (93544539).

The spelling of 31104426 in words is "thirty-one million, one hundred four thousand, four hundred twenty-six".