231200201322 has 24 divisors (see below), whose sum is σ = 500943175200. Its totient is φ = 77065286760.

The previous prime is 231200201321. The next prime is 231200201327. The reversal of 231200201322 is 223102002132.

231200201322 is a `hidden beast` number, since 23 + 120 + 0 + 201 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 231200201295 and 231200201304.

It is not an unprimeable number, because it can be changed into a prime (231200201321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348297 + ... + 1510067.

It is an arithmetic number, because the mean of its divisors is an integer number (20872632300).

Almost surely, 2^231200201322 is an apocalyptic number.

231200201322 is an abundant number, since it is smaller than the sum of its proper divisors (269742973878).

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

231200201322 is a wasteful number, since it uses less digits than its factorization.

231200201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241178 (or 241175 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 231200201322 its reverse (223102002132), we get a palindrome (454302203454).

The spelling of 231200201322 in words is "two hundred thirty-one billion, two hundred million, two hundred one thousand, three hundred twenty-two".