1304343353 has 4 divisors (see below), whose sum is σ = 1349320740. Its totient is φ = 1259365968.

The previous prime is 1304343349. The next prime is 1304343371. The reversal of 1304343353 is 3533434031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3533434031 = 479 ⋅7376689.

It can be written as a sum of positive squares in 2 ways, for example, as 262861369 + 1041481984 = 16213^2 + 32272^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304343353 - 2² = 1304343349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 44977357 = 1304343353 / (1 + 3 + 0 + 4 + 3 + 4 + 3 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304343253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22488650 + ... + 22488707.

It is an arithmetic number, because the mean of its divisors is an integer number (337330185).

Almost surely, 2^1304343353 is an apocalyptic number.

It is an amenable number.

1304343353 is a deficient number, since it is larger than the sum of its proper divisors (44977387).

1304343353 is an equidigital number, since it uses as much as digits as its factorization.

1304343353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44977386.

The product of its (nonzero) digits is 19440, while the sum is 29.

The square root of 1304343353 is about 36115.6939985929. The cubic root of 1304343353 is about 1092.6069946371.

Adding to 1304343353 its reverse (3533434031), we get a palindrome (4837777384).

The spelling of 1304343353 in words is "one billion, three hundred four million, three hundred forty-three thousand, three hundred fifty-three".