31224334404 has 12 divisors (see below), whose sum is σ = 72856780304. Its totient is φ = 10408111464.

The previous prime is 31224334391. The next prime is 31224334409. The reversal of 31224334404 is 40443342213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (31224334409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301013922 + ... + 1301013945.

Almost surely, 2^31224334404 is an apocalyptic number.

It is an amenable number.

31224334404 is an abundant number, since it is smaller than the sum of its proper divisors (41632445900).

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

31224334404 is a wasteful number, since it uses less digits than its factorization.

31224334404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602027874 (or 2602027872 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 31224334404 its reverse (40443342213), we get a palindrome (71667676617).

The spelling of 31224334404 in words is "thirty-one billion, two hundred twenty-four million, three hundred thirty-four thousand, four hundred four".