31010104224 has 72 divisors (see below), whose sum is σ = 96201810432. Its totient is φ = 9397000320.

The previous prime is 31010104217. The next prime is 31010104247. The reversal of 31010104224 is 42240101013.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31010104197 and 31010104206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4891104 + ... + 4897439.

It is an arithmetic number, because the mean of its divisors is an integer number (1336136256).

Almost surely, 2^31010104224 is an apocalyptic number.

It is an amenable number.

31010104224 is an abundant number, since it is smaller than the sum of its proper divisors (65191706208).

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

31010104224 is a wasteful number, since it uses less digits than its factorization.

31010104224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788570 (or 9788559 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 31010104224 its reverse (42240101013), we get a palindrome (73250205237).

The spelling of 31010104224 in words is "thirty-one billion, ten million, one hundred four thousand, two hundred twenty-four".