1343020213 has 4 divisors (see below), whose sum is σ = 1422021420. Its totient is φ = 1264019008.

The previous prime is 1343020183. The next prime is 1343020241. The reversal of 1343020213 is 3120203431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120203431 = 7993 ⋅390367.

It can be written as a sum of positive squares in 2 ways, for example, as 796255524 + 546764689 = 28218^2 + 23383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343020213 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 (1343020013) 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, 39500578 + ... + 39500611.

It is an arithmetic number, because the mean of its divisors is an integer number (355505355).

Almost surely, 2^1343020213 is an apocalyptic number.

It is an amenable number.

1343020213 is a deficient number, since it is larger than the sum of its proper divisors (79001207).

1343020213 is an equidigital number, since it uses as much as digits as its factorization.

1343020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79001206.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1343020213 is about 36647.2401825840. The cubic root of 1343020213 is about 1103.3014349192.

Adding to 1343020213 its reverse (3120203431), we get a palindrome (4463223644).

The spelling of 1343020213 in words is "one billion, three hundred forty-three million, twenty thousand, two hundred thirteen".