31223010130200 has 192 divisors, whose sum is σ = 122909627328000. Its totient is φ = 7136688021120.

The previous prime is 31223010130183. The next prime is 31223010130241. The reversal of 31223010130200 is 203101032213.

31223010130200 is a `hidden beast` number, since 31 + 2 + 2 + 301 + 0 + 130 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412964980 + ... + 413040579.

It is an arithmetic number, because the mean of its divisors is an integer number (640154309000).

Almost surely, 2^{31223010130200} is an apocalyptic number.

31223010130200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31223010130200 is an abundant number, since it is smaller than the sum of its proper divisors (91686617197800).

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

31223010130200 is a wasteful number, since it uses less digits than its factorization.

31223010130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826005591 (or 826005576 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31223010130200 its reverse (203101032213), we get a palindrome (31426111162413).

The spelling of 31223010130200 in words is "thirty-one trillion, two hundred twenty-three billion, ten million, one hundred thirty thousand, two hundred".