200332231091 has 2 divisors, whose sum is σ = 200332231092. Its totient is φ = 200332231090.

The previous prime is 200332231087. The next prime is 200332231109. The reversal of 200332231091 is 190132233002.

Together with next prime (200332231109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200332231091 - 2² = 200332231087 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200332231091.

It is not a weakly prime, because it can be changed into another prime (200332231031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100166115545 + 100166115546.

It is an arithmetic number, because the mean of its divisors is an integer number (100166115546).

Almost surely, 2^200332231091 is an apocalyptic number.

200332231091 is a deficient number, since it is larger than the sum of its proper divisors (1).

200332231091 is an equidigital number, since it uses as much as digits as its factorization.

200332231091 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 26.

Adding to 200332231091 its reverse (190132233002), we get a palindrome (390464464093).

The spelling of 200332231091 in words is "two hundred billion, three hundred thirty-two million, two hundred thirty-one thousand, ninety-one".