31224030104 has 8 divisors (see below), whose sum is σ = 58545056460. Its totient is φ = 15612015048.

The previous prime is 31224030083. The next prime is 31224030109. The reversal of 31224030104 is 40103042213.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31224030109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951501874 + ... + 1951501889.

Almost surely, 2^31224030104 is an apocalyptic number.

It is an amenable number.

31224030104 is a deficient number, since it is larger than the sum of its proper divisors (27321026356).

31224030104 is a wasteful number, since it uses less digits than its factorization.

31224030104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903003769 (or 3903003765 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31224030104 its reverse (40103042213), we get a palindrome (71327072317).

The spelling of 31224030104 in words is "thirty-one billion, two hundred twenty-four million, thirty thousand, one hundred four".