31104204422 has 12 divisors (see below), whose sum is σ = 48773040540. Its totient is φ = 14875923348.

The previous prime is 31104204403. The next prime is 31104204437. The reversal of 31104204422 is 22440240113.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14698472 + ... + 14700587.

It is an arithmetic number, because the mean of its divisors is an integer number (4064420045).

Almost surely, 2^31104204422 is an apocalyptic number.

31104204422 is a deficient number, since it is larger than the sum of its proper divisors (17668836118).

31104204422 is a wasteful number, since it uses less digits than its factorization.

31104204422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29399107 (or 29399084 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 31104204422 its reverse (22440240113), we get a palindrome (53544444535).

The spelling of 31104204422 in words is "thirty-one billion, one hundred four million, two hundred four thousand, four hundred twenty-two".