203406135010297 has 2 divisors, whose sum is σ = 203406135010298. Its totient is φ = 203406135010296.

The previous prime is 203406135010291. The next prime is 203406135010339. The reversal of 203406135010297 is 792010531604302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149171511989241 + 54234623021056 = 12213579^2 + 7364416^2 .

It is a cyclic number.

It is not a de Polignac number, because 203406135010297 - 2²³ = 203406126621689 is a prime.

It is not a weakly prime, because it can be changed into another prime (203406135010291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101703067505148 + 101703067505149.

It is an arithmetic number, because the mean of its divisors is an integer number (101703067505149).

Almost surely, 2^{203406135010297} is an apocalyptic number.

It is an amenable number.

203406135010297 is a deficient number, since it is larger than the sum of its proper divisors (1).

203406135010297 is an equidigital number, since it uses as much as digits as its factorization.

203406135010297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

Adding to 203406135010297 its reverse (792010531604302), we get a palindrome (995416666614599).

The spelling of 203406135010297 in words is "two hundred three trillion, four hundred six billion, one hundred thirty-five million, ten thousand, two hundred ninety-seven".