200303381 has 2 divisors, whose sum is σ = 200303382. Its totient is φ = 200303380.

The previous prime is 200303359. The next prime is 200303387. The reversal of 200303381 is 183303002.

200303381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173159281 + 27144100 = 13159^2 + 5210^2 .

It is a cyclic number.

It is not a de Polignac number, because 200303381 - 2²² = 196109077 is a prime.

It is a super-2 number, since 2×200303381² = 80242888880062322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200303387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100151690 + 100151691.

It is an arithmetic number, because the mean of its divisors is an integer number (100151691).

Almost surely, 2^200303381 is an apocalyptic number.

It is an amenable number.

200303381 is a deficient number, since it is larger than the sum of its proper divisors (1).

200303381 is an equidigital number, since it uses as much as digits as its factorization.

200303381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 200303381 is about 14152.8576972992. The cubic root of 200303381 is about 585.0990953954.

Adding to 200303381 its reverse (183303002), we get a palindrome (383606383).

The spelling of 200303381 in words is "two hundred million, three hundred three thousand, three hundred eighty-one".