31204321121304 has 48 divisors (see below), whose sum is σ = 84527011431720. Its totient is φ = 10399556263680.

The previous prime is 31204321121293. The next prime is 31204321121327. The reversal of 31204321121304 is 40312112340213.

31204321121304 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 432 + 11 + 213 + 0 + 4 = 666.

It is a congruent number.

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, 38852022 + ... + 39647045.

Almost surely, 2^{31204321121304} is an apocalyptic number.

It is an amenable number.

31204321121304 is an abundant number, since it is smaller than the sum of its proper divisors (53322690310416).

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

31204321121304 is a wasteful number, since it uses less digits than its factorization.

31204321121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78504600 (or 78504593 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 31204321121304 its reverse (40312112340213), we get a palindrome (71516433461517).

The spelling of 31204321121304 in words is "thirty-one trillion, two hundred four billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred four".