203013231301213 has 2 divisors, whose sum is σ = 203013231301214. Its totient is φ = 203013231301212.

The previous prime is 203013231301187. The next prime is 203013231301217. The reversal of 203013231301213 is 312103132310302.

203013231301213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176784626497444 + 26228604803769 = 13296038^2 + 5121387^2 .

It is a cyclic number.

It is not a de Polignac number, because 203013231301213 - 2⁹ = 203013231300701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203013231301217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101506615650606 + 101506615650607.

It is an arithmetic number, because the mean of its divisors is an integer number (101506615650607).

Almost surely, 2^{203013231301213} is an apocalyptic number.

It is an amenable number.

203013231301213 is a deficient number, since it is larger than the sum of its proper divisors (1).

203013231301213 is an equidigital number, since it uses as much as digits as its factorization.

203013231301213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 203013231301213 its reverse (312103132310302), we get a palindrome (515116363611515).

The spelling of 203013231301213 in words is "two hundred three trillion, thirteen billion, two hundred thirty-one million, three hundred one thousand, two hundred thirteen".