203234213011 has 2 divisors, whose sum is σ = 203234213012. Its totient is φ = 203234213010.

The previous prime is 203234212999. The next prime is 203234213167. The reversal of 203234213011 is 110312432302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203234213011 - 2³⁷ = 65795259539 is a prime.

It is a super-2 number, since 2×203234213011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203234213711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101617106505 + 101617106506.

It is an arithmetic number, because the mean of its divisors is an integer number (101617106506).

Almost surely, 2^203234213011 is an apocalyptic number.

203234213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

203234213011 is an equidigital number, since it uses as much as digits as its factorization.

203234213011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 203234213011 its reverse (110312432302), we get a palindrome (313546645313).

The spelling of 203234213011 in words is "two hundred three billion, two hundred thirty-four million, two hundred thirteen thousand, eleven".