200231089 has 2 divisors, whose sum is σ = 200231090. Its totient is φ = 200231088.

The previous prime is 200231081. The next prime is 200231099. The reversal of 200231089 is 980132002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107744400 + 92486689 = 10380^2 + 9617^2 .

It is a cyclic number.

It is not a de Polignac number, because 200231089 - 2³ = 200231081 is a prime.

It is not a weakly prime, because it can be changed into another prime (200231081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100115544 + 100115545.

It is an arithmetic number, because the mean of its divisors is an integer number (100115545).

Almost surely, 2^200231089 is an apocalyptic number.

It is an amenable number.

200231089 is a deficient number, since it is larger than the sum of its proper divisors (1).

200231089 is an equidigital number, since it uses as much as digits as its factorization.

200231089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 200231089 is about 14150.3034949785. The cubic root of 200231089 is about 585.0286970606.

It can be divided in two parts, 20023 and 1089, that added together give a palindrome (21112).

The spelling of 200231089 in words is "two hundred million, two hundred thirty-one thousand, eighty-nine".