203112214397 has 2 divisors, whose sum is σ = 203112214398. Its totient is φ = 203112214396.

The previous prime is 203112214337. The next prime is 203112214421. The reversal of 203112214397 is 793412211302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161197432036 + 41914782361 = 401494^2 + 204731^2 .

It is a cyclic number.

It is not a de Polignac number, because 203112214397 - 2⁸ = 203112214141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203112214337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101556107198 + 101556107199.

It is an arithmetic number, because the mean of its divisors is an integer number (101556107199).

Almost surely, 2^203112214397 is an apocalyptic number.

It is an amenable number.

203112214397 is a deficient number, since it is larger than the sum of its proper divisors (1).

203112214397 is an equidigital number, since it uses as much as digits as its factorization.

203112214397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

Adding to 203112214397 its reverse (793412211302), we get a palindrome (996524425699).

The spelling of 203112214397 in words is "two hundred three billion, one hundred twelve million, two hundred fourteen thousand, three hundred ninety-seven".