200312202321 has 72 divisors (see below), whose sum is σ = 372657957984. Its totient is φ = 102505011840.

The previous prime is 200312202271. The next prime is 200312202323. The reversal of 200312202321 is 123202213002.

It is not a de Polignac number, because 200312202321 - 2¹³ = 200312194129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200312202294 and 200312202303.

It is not an unprimeable number, because it can be changed into a prime (200312202323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16861 + ... + 633173.

It is an arithmetic number, because the mean of its divisors is an integer number (5175804972).

Almost surely, 2^200312202321 is an apocalyptic number.

200312202321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200312202321 is a deficient number, since it is larger than the sum of its proper divisors (172345755663).

200312202321 is a wasteful number, since it uses less digits than its factorization.

200312202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616411 (or 616401 counting only the distinct ones).

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

Adding to 200312202321 its reverse (123202213002), we get a palindrome (323514415323).

The spelling of 200312202321 in words is "two hundred billion, three hundred twelve million, two hundred two thousand, three hundred twenty-one".