203113020343 has 2 divisors, whose sum is σ = 203113020344. Its totient is φ = 203113020342.

The previous prime is 203113020251. The next prime is 203113020353. The reversal of 203113020343 is 343020311302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203113020343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203113020353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101556510171 + 101556510172.

It is an arithmetic number, because the mean of its divisors is an integer number (101556510172).

Almost surely, 2^203113020343 is an apocalyptic number.

203113020343 is a deficient number, since it is larger than the sum of its proper divisors (1).

203113020343 is an equidigital number, since it uses as much as digits as its factorization.

203113020343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203113020343 its reverse (343020311302), we get a palindrome (546133331645).

The spelling of 203113020343 in words is "two hundred three billion, one hundred thirteen million, twenty thousand, three hundred forty-three".