203030034313 has 2 divisors, whose sum is σ = 203030034314. Its totient is φ = 203030034312.

The previous prime is 203030034293. The next prime is 203030034323. The reversal of 203030034313 is 313430030302.

203030034313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165528549904 + 37501484409 = 406852^2 + 193653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203030034313 is a prime.

It is not a weakly prime, because it can be changed into another prime (203030034323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101515017156 + 101515017157.

It is an arithmetic number, because the mean of its divisors is an integer number (101515017157).

Almost surely, 2^203030034313 is an apocalyptic number.

It is an amenable number.

203030034313 is a deficient number, since it is larger than the sum of its proper divisors (1).

203030034313 is an equidigital number, since it uses as much as digits as its factorization.

203030034313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 203030034313 its reverse (313430030302), we get a palindrome (516460064615).

The spelling of 203030034313 in words is "two hundred three billion, thirty million, thirty-four thousand, three hundred thirteen".