200520031 has 2 divisors, whose sum is σ = 200520032. Its totient is φ = 200520030.

The previous prime is 200520029. The next prime is 200520043. The reversal of 200520031 is 130025002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200520031 - 2¹ = 200520029 is a prime.

It is a super-2 number, since 2×200520031² = 80416565664481922, which contains 22 as substring.

Together with 200520029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 200519993 and 200520020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200520011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100260015 + 100260016.

It is an arithmetic number, because the mean of its divisors is an integer number (100260016).

Almost surely, 2^200520031 is an apocalyptic number.

200520031 is a deficient number, since it is larger than the sum of its proper divisors (1).

200520031 is an equidigital number, since it uses as much as digits as its factorization.

200520031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 200520031 is about 14160.5095600406. The cubic root of 200520031 is about 585.3099689274.

Adding to 200520031 its reverse (130025002), we get a palindrome (330545033).

The spelling of 200520031 in words is "two hundred million, five hundred twenty thousand, thirty-one".