1000313213 has 2 divisors, whose sum is σ = 1000313214. Its totient is φ = 1000313212.

The previous prime is 1000313189. The next prime is 1000313243. The reversal of 1000313213 is 3123130001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674077369 + 326235844 = 25963^2 + 18062^2 .

It is an emirp because it is prime and its reverse (3123130001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000313213 - 2¹⁰ = 1000312189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000313243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500156606 + 500156607.

It is an arithmetic number, because the mean of its divisors is an integer number (500156607).

Almost surely, 2^1000313213 is an apocalyptic number.

It is an amenable number.

1000313213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000313213 is an equidigital number, since it uses as much as digits as its factorization.

1000313213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1000313213 is about 31627.7285463247. The cubic root of 1000313213 is about 1000.1043934350.

Adding to 1000313213 its reverse (3123130001), we get a palindrome (4123443214).

The spelling of 1000313213 in words is "one billion, three hundred thirteen thousand, two hundred thirteen".