31320333200201 has 2 divisors, whose sum is σ = 31320333200202. Its totient is φ = 31320333200200.

The previous prime is 31320333200197. The next prime is 31320333200237. The reversal of 31320333200201 is 10200233302313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28716308737600 + 2604024462601 = 5358760^2 + 1613699^2 .

It is a cyclic number.

It is not a de Polignac number, because 31320333200201 - 2² = 31320333200197 is a prime.

It is a super-2 number, since 2×31320333200201² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31320333200501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660166600100 + 15660166600101.

It is an arithmetic number, because the mean of its divisors is an integer number (15660166600101).

Almost surely, 2^{31320333200201} is an apocalyptic number.

It is an amenable number.

31320333200201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320333200201 is an equidigital number, since it uses as much as digits as its factorization.

31320333200201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31320333200201 its reverse (10200233302313), we get a palindrome (41520566502514).

The spelling of 31320333200201 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty-three million, two hundred thousand, two hundred one".