205303211383 has 2 divisors, whose sum is σ = 205303211384. Its totient is φ = 205303211382.

The previous prime is 205303211327. The next prime is 205303211411. The reversal of 205303211383 is 383112303502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205303211383 - 2³⁷ = 67864257911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205303211783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102651605691 + 102651605692.

It is an arithmetic number, because the mean of its divisors is an integer number (102651605692).

Almost surely, 2^205303211383 is an apocalyptic number.

205303211383 is a deficient number, since it is larger than the sum of its proper divisors (1).

205303211383 is an equidigital number, since it uses as much as digits as its factorization.

205303211383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 205303211383 its reverse (383112303502), we get a palindrome (588415514885).

The spelling of 205303211383 in words is "two hundred five billion, three hundred three million, two hundred eleven thousand, three hundred eighty-three".