231302200 has 48 divisors (see below), whose sum is σ = 566091000. Its totient is φ = 87649920.

The previous prime is 231302171. The next prime is 231302213. The reversal of 231302200 is 2203132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26635 + ... + 34234.

Almost surely, 2^231302200 is an apocalyptic number.

231302200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231302200 is an abundant number, since it is smaller than the sum of its proper divisors (334788800).

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

231302200 is a wasteful number, since it uses less digits than its factorization.

231302200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60904 (or 60895 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 231302200 is about 15208.6225543275. The cubic root of 231302200 is about 613.8466939628.

Adding to 231302200 its reverse (2203132), we get a palindrome (233505332).

The spelling of 231302200 in words is "two hundred thirty-one million, three hundred two thousand, two hundred".