1013220343 has 4 divisors (see below), whose sum is σ = 1022689800. Its totient is φ = 1003750888.

The previous prime is 1013220323. The next prime is 1013220361. The reversal of 1013220343 is 3430223101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430223101 = 359 ⋅9554939.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013220343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013220343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013220323) 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, 4734568 + ... + 4734781.

It is an arithmetic number, because the mean of its divisors is an integer number (255672450).

Almost surely, 2^1013220343 is an apocalyptic number.

1013220343 is a deficient number, since it is larger than the sum of its proper divisors (9469457).

1013220343 is an equidigital number, since it uses as much as digits as its factorization.

1013220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469456.

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

The square root of 1013220343 is about 31831.1222390917. The cubic root of 1013220343 is about 1004.3875026669.

Adding to 1013220343 its reverse (3430223101), we get a palindrome (4443443444).

The spelling of 1013220343 in words is "one billion, thirteen million, two hundred twenty thousand, three hundred forty-three".