200321010397 has 2 divisors, whose sum is σ = 200321010398. Its totient is φ = 200321010396.

The previous prime is 200321010391. The next prime is 200321010443. The reversal of 200321010397 is 793010123002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184496879961 + 15824130436 = 429531^2 + 125794^2 .

It is a cyclic number.

It is not a de Polignac number, because 200321010397 - 2³ = 200321010389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200321010391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100160505198 + 100160505199.

It is an arithmetic number, because the mean of its divisors is an integer number (100160505199).

Almost surely, 2^200321010397 is an apocalyptic number.

It is an amenable number.

200321010397 is a deficient number, since it is larger than the sum of its proper divisors (1).

200321010397 is an equidigital number, since it uses as much as digits as its factorization.

200321010397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 200321010397 its reverse (793010123002), we get a palindrome (993331133399).

The spelling of 200321010397 in words is "two hundred billion, three hundred twenty-one million, ten thousand, three hundred ninety-seven".