31323340230 has 128 divisors (see below), whose sum is σ = 95509241856. Its totient is φ = 6395673600.

The previous prime is 31323340193. The next prime is 31323340253. The reversal of 31323340230 is 3204332313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31323340230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100431 + ... + 269690.

It is an arithmetic number, because the mean of its divisors is an integer number (746165952).

Almost surely, 2^31323340230 is an apocalyptic number.

31323340230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31323340230 is an abundant number, since it is smaller than the sum of its proper divisors (64185901626).

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

31323340230 is a wasteful number, since it uses less digits than its factorization.

31323340230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370182.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31323340230 its reverse (3204332313), we get a palindrome (34527672543).

The spelling of 31323340230 in words is "thirty-one billion, three hundred twenty-three million, three hundred forty thousand, two hundred thirty".