1300312213 has 4 divisors (see below), whose sum is σ = 1300697280. Its totient is φ = 1299927148.

The previous prime is 1300312183. The next prime is 1300312241. The reversal of 1300312213 is 3122130031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3122130031 = 449 ⋅6953519.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300312213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300312283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187423 + ... + 194236.

It is an arithmetic number, because the mean of its divisors is an integer number (325174320).

Almost surely, 2^1300312213 is an apocalyptic number.

It is an amenable number.

1300312213 is a deficient number, since it is larger than the sum of its proper divisors (385067).

1300312213 is an equidigital number, since it uses as much as digits as its factorization.

1300312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385066.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1300312213 is about 36059.8421100259. The cubic root of 1300312213 is about 1091.4802471051.

Adding to 1300312213 its reverse (3122130031), we get a palindrome (4422442244).

The spelling of 1300312213 in words is "one billion, three hundred million, three hundred twelve thousand, two hundred thirteen".