231210210200 has 96 divisors (see below), whose sum is σ = 584568835200. Its totient is φ = 84691261440.

The previous prime is 231210210197. The next prime is 231210210221. The reversal of 231210210200 is 2012012132.

It is a happy number.

It is a super-2 number, since 2×231210210200² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793160 + ... + 1044759.

It is an arithmetic number, because the mean of its divisors is an integer number (6089258700).

Almost surely, 2^231210210200 is an apocalyptic number.

231210210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231210210200 is an abundant number, since it is smaller than the sum of its proper divisors (353358625000).

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

231210210200 is a wasteful number, since it uses less digits than its factorization.

231210210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837989 (or 1837980 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 231210210200 its reverse (2012012132), we get a palindrome (233222222332).

The spelling of 231210210200 in words is "two hundred thirty-one billion, two hundred ten million, two hundred ten thousand, two hundred".