31204323230 has 16 divisors (see below), whose sum is σ = 56176688160. Its totient is φ = 12479750112.

The previous prime is 31204323229. The next prime is 31204323239. The reversal of 31204323230 is 3232340213.

It is a junction number, because it is equal to n+sod(n) for n = 31204323196 and 31204323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204323239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180314 + ... + 308093.

It is an arithmetic number, because the mean of its divisors is an integer number (3511043010).

Almost surely, 2^31204323230 is an apocalyptic number.

31204323230 is a deficient number, since it is larger than the sum of its proper divisors (24972364930).

31204323230 is a wasteful number, since it uses less digits than its factorization.

31204323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494803.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31204323230 its reverse (3232340213), we get a palindrome (34436663443).

The spelling of 31204323230 in words is "thirty-one billion, two hundred four million, three hundred twenty-three thousand, two hundred thirty".