1304343213 has 8 divisors (see below), whose sum is σ = 1752818688. Its totient is φ = 862714944.

The previous prime is 1304343211. The next prime is 1304343221. The reversal of 1304343213 is 3123434031.

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

It is not a de Polignac number, because 1304343213 - 2¹ = 1304343211 is a prime.

It is a super-2 number, since 2×1304343213² = 3402622434598326738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304343211) 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 7 ways as a sum of consecutive naturals, for example, 1711356 + ... + 1712117.

It is an arithmetic number, because the mean of its divisors is an integer number (219102336).

Almost surely, 2^1304343213 is an apocalyptic number.

It is an amenable number.

1304343213 is a deficient number, since it is larger than the sum of its proper divisors (448475475).

1304343213 is a wasteful number, since it uses less digits than its factorization.

1304343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423603.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1304343213 is about 36115.6920603773. The cubic root of 1304343213 is about 1092.6069555459.

Adding to 1304343213 its reverse (3123434031), we get a palindrome (4427777244).

The spelling of 1304343213 in words is "one billion, three hundred four million, three hundred forty-three thousand, two hundred thirteen".