200221232031 has 24 divisors (see below), whose sum is σ = 289656001440. Its totient is φ = 133274419200.

The previous prime is 200221231997. The next prime is 200221232047. The reversal of 200221232031 is 130232122002.

It is not a de Polignac number, because 200221232031 - 2⁹ = 200221231519 is a prime.

It is a super-2 number, since 2×200221232031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200221231995 and 200221232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221232131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 19304415 + ... + 19314783.

It is an arithmetic number, because the mean of its divisors is an integer number (12069000060).

Almost surely, 2^200221232031 is an apocalyptic number.

200221232031 is a deficient number, since it is larger than the sum of its proper divisors (89434769409).

200221232031 is a wasteful number, since it uses less digits than its factorization.

200221232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13487 (or 13484 counting only the distinct ones).

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

Adding to 200221232031 its reverse (130232122002), we get a palindrome (330453354033).

The spelling of 200221232031 in words is "two hundred billion, two hundred twenty-one million, two hundred thirty-two thousand, thirty-one".