1302230213 has 4 divisors (see below), whose sum is σ = 1302345900. Its totient is φ = 1302114528.

The previous prime is 1302230203. The next prime is 1302230221. The reversal of 1302230213 is 3120322031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120322031 = 9007 ⋅346433.

It can be written as a sum of positive squares in 2 ways, for example, as 228553924 + 1073676289 = 15118^2 + 32767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302230213 - 2²² = 1298035909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302230191 and 1302230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302230203) 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 in 3 ways as a sum of consecutive naturals, for example, 38888 + ... + 64161.

It is an arithmetic number, because the mean of its divisors is an integer number (325586475).

Almost surely, 2^1302230213 is an apocalyptic number.

It is an amenable number.

1302230213 is a deficient number, since it is larger than the sum of its proper divisors (115687).

1302230213 is a wasteful number, since it uses less digits than its factorization.

1302230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115686.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1302230213 is about 36086.4269913218. The cubic root of 1302230213 is about 1092.0166389630.

Adding to 1302230213 its reverse (3120322031), we get a palindrome (4422552244).

The spelling of 1302230213 in words is "one billion, three hundred two million, two hundred thirty thousand, two hundred thirteen".