1321414213 has 6 divisors (see below), whose sum is σ = 1537155366. Its totient is φ = 1132640712.

The previous prime is 1321414201. The next prime is 1321414231. The reversal of 1321414213 is 3124141231.

It can be written as a sum of positive squares in only one way, i.e., 683195044 + 638219169 = 26138^2 + 25263^2 .

It is not a de Polignac number, because 1321414213 - 2²¹ = 1319317061 is a prime.

It is a super-2 number, since 2×1321414213² = 3492271044636818738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321414253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13483770 + ... + 13483867.

It is an arithmetic number, because the mean of its divisors is an integer number (256192561).

Almost surely, 2^1321414213 is an apocalyptic number.

It is an amenable number.

1321414213 is a deficient number, since it is larger than the sum of its proper divisors (215741153).

1321414213 is an equidigital number, since it uses as much as digits as its factorization.

1321414213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26967651 (or 26967644 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1321414213 is about 36351.2615049327. The cubic root of 1321414213 is about 1097.3529224196.

Adding to 1321414213 its reverse (3124141231), we get a palindrome (4445555444).

The spelling of 1321414213 in words is "one billion, three hundred twenty-one million, four hundred fourteen thousand, two hundred thirteen".