203013211301 has 2 divisors, whose sum is σ = 203013211302. Its totient is φ = 203013211300.

The previous prime is 203013211279. The next prime is 203013211307. The reversal of 203013211301 is 103112310302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121445280100 + 81567931201 = 348490^2 + 285601^2 .

It is a cyclic number.

It is not a de Polignac number, because 203013211301 - 2²² = 203009016997 is a prime.

It is a super-2 number, since 2×203013211301² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203013211301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203013211307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101506605650 + 101506605651.

It is an arithmetic number, because the mean of its divisors is an integer number (101506605651).

Almost surely, 2^203013211301 is an apocalyptic number.

It is an amenable number.

203013211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

203013211301 is an equidigital number, since it uses as much as digits as its factorization.

203013211301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203013211301 its reverse (103112310302), we get a palindrome (306125521603).

Subtracting from 203013211301 its reverse (103112310302), we obtain a palindrome (99900900999).

The spelling of 203013211301 in words is "two hundred three billion, thirteen million, two hundred eleven thousand, three hundred one".