1343304021 has 8 divisors (see below), whose sum is σ = 1797539104. Its totient is φ = 892302480.

The previous prime is 1343303963. The next prime is 1343304023. The reversal of 1343304021 is 1204033431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1343304021 - 2⁷ = 1343303893 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 (1343304023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807415 + ... + 809076.

It is an arithmetic number, because the mean of its divisors is an integer number (224692388).

Almost surely, 2^1343304021 is an apocalyptic number.

It is an amenable number.

1343304021 is a deficient number, since it is larger than the sum of its proper divisors (454235083).

1343304021 is a wasteful number, since it uses less digits than its factorization.

1343304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616771.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1343304021 is about 36651.1121386514. The cubic root of 1343304021 is about 1103.3791462638.

Adding to 1343304021 its reverse (1204033431), we get a palindrome (2547337452).

The spelling of 1343304021 in words is "one billion, three hundred forty-three million, three hundred four thousand, twenty-one".