203201314397 has 2 divisors, whose sum is σ = 203201314398. Its totient is φ = 203201314396.

The previous prime is 203201314369. The next prime is 203201314447. The reversal of 203201314397 is 793413102302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123219252676 + 79982061721 = 351026^2 + 282811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203201314397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203201314597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101600657198 + 101600657199.

It is an arithmetic number, because the mean of its divisors is an integer number (101600657199).

Almost surely, 2^203201314397 is an apocalyptic number.

It is an amenable number.

203201314397 is a deficient number, since it is larger than the sum of its proper divisors (1).

203201314397 is an equidigital number, since it uses as much as digits as its factorization.

203201314397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

Adding to 203201314397 its reverse (793413102302), we get a palindrome (996614416699).

The spelling of 203201314397 in words is "two hundred three billion, two hundred one million, three hundred fourteen thousand, three hundred ninety-seven".