203100242311 has 2 divisors, whose sum is σ = 203100242312. Its totient is φ = 203100242310.

The previous prime is 203100242263. The next prime is 203100242353. The reversal of 203100242311 is 113242001302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203100242311 - 2¹¹ = 203100240263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203100242381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101550121155 + 101550121156.

It is an arithmetic number, because the mean of its divisors is an integer number (101550121156).

Almost surely, 2^203100242311 is an apocalyptic number.

203100242311 is a deficient number, since it is larger than the sum of its proper divisors (1).

203100242311 is an equidigital number, since it uses as much as digits as its factorization.

203100242311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203100242311 its reverse (113242001302), we get a palindrome (316342243613).

The spelling of 203100242311 in words is "two hundred three billion, one hundred million, two hundred forty-two thousand, three hundred eleven".