200551031 has 2 divisors, whose sum is σ = 200551032. Its totient is φ = 200551030.

The previous prime is 200551027. The next prime is 200551051. The reversal of 200551031 is 130155002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200551031 - 2² = 200551027 is a prime.

It is a super-2 number, since 2×200551031² = 80441432070325922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200551051) 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 as a sum of consecutive naturals, namely, 100275515 + 100275516.

It is an arithmetic number, because the mean of its divisors is an integer number (100275516).

Almost surely, 2^200551031 is an apocalyptic number.

200551031 is a deficient number, since it is larger than the sum of its proper divisors (1).

200551031 is an equidigital number, since it uses as much as digits as its factorization.

200551031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 200551031 is about 14161.6041111168. The cubic root of 200551031 is about 585.3401299608.

The spelling of 200551031 in words is "two hundred million, five hundred fifty-one thousand, thirty-one".