31224040304 has 10 divisors (see below), whose sum is σ = 60496578120. Its totient is φ = 15612020144.

The previous prime is 31224040291. The next prime is 31224040313. The reversal of 31224040304 is 40304042213.

It is a self number, because there is not a number n which added to its sum of digits gives 31224040304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975751244 + ... + 975751275.

It is an arithmetic number, because the mean of its divisors is an integer number (6049657812).

Almost surely, 2^31224040304 is an apocalyptic number.

It is an amenable number.

31224040304 is a deficient number, since it is larger than the sum of its proper divisors (29272537816).

31224040304 is a wasteful number, since it uses less digits than its factorization.

31224040304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951502527 (or 1951502521 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31224040304 its reverse (40304042213), we get a palindrome (71528082517).

The spelling of 31224040304 in words is "thirty-one billion, two hundred twenty-four million, forty thousand, three hundred four".