2203203212311 has 2 divisors, whose sum is σ = 2203203212312. Its totient is φ = 2203203212310.

The previous prime is 2203203212281. The next prime is 2203203212317. The reversal of 2203203212311 is 1132123023022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2203203212311 - 2³³ = 2194613277719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203203212317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101601606155 + 1101601606156.

It is an arithmetic number, because the mean of its divisors is an integer number (1101601606156).

Almost surely, 2^{2203203212311} is an apocalyptic number.

2203203212311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203203212311 is an equidigital number, since it uses as much as digits as its factorization.

2203203212311 is an evil number, because the sum of its binary digits is even.

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

Adding to 2203203212311 its reverse (1132123023022), we get a palindrome (3335326235333).

The spelling of 2203203212311 in words is "two trillion, two hundred three billion, two hundred three million, two hundred twelve thousand, three hundred eleven".