203030323051 has 2 divisors, whose sum is σ = 203030323052. Its totient is φ = 203030323050.

The previous prime is 203030323003. The next prime is 203030323079. The reversal of 203030323051 is 150323030302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203030323051 is a prime.

It is not a weakly prime, because it can be changed into another prime (203030323081) 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, 101515161525 + 101515161526.

It is an arithmetic number, because the mean of its divisors is an integer number (101515161526).

Almost surely, 2^203030323051 is an apocalyptic number.

203030323051 is a deficient number, since it is larger than the sum of its proper divisors (1).

203030323051 is an equidigital number, since it uses as much as digits as its factorization.

203030323051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 203030323051 its reverse (150323030302), we get a palindrome (353353353353).

The spelling of 203030323051 in words is "two hundred three billion, thirty million, three hundred twenty-three thousand, fifty-one".