2103313213 has 2 divisors, whose sum is σ = 2103313214. Its totient is φ = 2103313212.

The previous prime is 2103313207. The next prime is 2103313217. The reversal of 2103313213 is 3123133012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1897734969 + 205578244 = 43563^2 + 14338^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103313213 - 2¹³ = 2103305021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103313217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051656606 + 1051656607.

It is an arithmetic number, because the mean of its divisors is an integer number (1051656607).

Almost surely, 2^2103313213 is an apocalyptic number.

It is an amenable number.

2103313213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103313213 is an equidigital number, since it uses as much as digits as its factorization.

2103313213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2103313213 is about 45861.8928196384. The cubic root of 2103313213 is about 1281.2522764409.

Adding to 2103313213 its reverse (3123133012), we get a palindrome (5226446225).

The spelling of 2103313213 in words is "two billion, one hundred three million, three hundred thirteen thousand, two hundred thirteen".