1345103213 has 2 divisors, whose sum is σ = 1345103214. Its totient is φ = 1345103212.

The previous prime is 1345103203. The next prime is 1345103281. The reversal of 1345103213 is 3123015431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1271778244 + 73324969 = 35662^2 + 8563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345103213 - 2¹⁴ = 1345086829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345103203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672551606 + 672551607.

It is an arithmetic number, because the mean of its divisors is an integer number (672551607).

Almost surely, 2^1345103213 is an apocalyptic number.

It is an amenable number.

1345103213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345103213 is an equidigital number, since it uses as much as digits as its factorization.

1345103213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1345103213 is about 36675.6487740844. The cubic root of 1345103213 is about 1103.8715404535.

Adding to 1345103213 its reverse (3123015431), we get a palindrome (4468118644).

The spelling of 1345103213 in words is "one billion, three hundred forty-five million, one hundred three thousand, two hundred thirteen".