203221131983 has 2 divisors, whose sum is σ = 203221131984. Its totient is φ = 203221131982.

The previous prime is 203221131929. The next prime is 203221132003. The reversal of 203221131983 is 389131122302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203221131983 - 2¹² = 203221127887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203221131923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101610565991 + 101610565992.

It is an arithmetic number, because the mean of its divisors is an integer number (101610565992).

Almost surely, 2^203221131983 is an apocalyptic number.

203221131983 is a deficient number, since it is larger than the sum of its proper divisors (1).

203221131983 is an equidigital number, since it uses as much as digits as its factorization.

203221131983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 203221131983 in words is "two hundred three billion, two hundred twenty-one million, one hundred thirty-one thousand, nine hundred eighty-three".