2103001213 has 2 divisors, whose sum is σ = 2103001214. Its totient is φ = 2103001212.

The previous prime is 2103001193. The next prime is 2103001231. The reversal of 2103001213 is 3121003012.

Together with next prime (2103001231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1931338809 + 171662404 = 43947^2 + 13102^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103001213 - 2¹³ = 2102993021 is a prime.

It is a super-2 number, since 2×2103001213² = 8845228203758942738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103001193 and 2103001202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051500606 + 1051500607.

It is an arithmetic number, because the mean of its divisors is an integer number (1051500607).

Almost surely, 2^2103001213 is an apocalyptic number.

It is an amenable number.

2103001213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103001213 is an equidigital number, since it uses as much as digits as its factorization.

2103001213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2103001213 is about 45858.4911766621. The cubic root of 2103001213 is about 1281.1889207671.

Adding to 2103001213 its reverse (3121003012), we get a palindrome (5224004225).

The spelling of 2103001213 in words is "two billion, one hundred three million, one thousand, two hundred thirteen".