203320233211231 has 2 divisors, whose sum is σ = 203320233211232. Its totient is φ = 203320233211230.

The previous prime is 203320233211229. The next prime is 203320233211267. The reversal of 203320233211231 is 132112332023302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203320233211231 - 2¹ = 203320233211229 is a prime.

It is a super-2 number, since 2×203320233211231² (a number of 29 digits) contains 22 as substring.

Together with 203320233211229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 203320233211231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203320233211201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101660116605615 + 101660116605616.

It is an arithmetic number, because the mean of its divisors is an integer number (101660116605616).

Almost surely, 2^{203320233211231} is an apocalyptic number.

203320233211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

203320233211231 is an equidigital number, since it uses as much as digits as its factorization.

203320233211231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 203320233211231 its reverse (132112332023302), we get a palindrome (335432565234533).

The spelling of 203320233211231 in words is "two hundred three trillion, three hundred twenty billion, two hundred thirty-three million, two hundred eleven thousand, two hundred thirty-one".