343532013421 has 8 divisors (see below), whose sum is σ = 348085653120. Its totient is φ = 338983502208.

The previous prime is 343532013329. The next prime is 343532013493. The reversal of 343532013421 is 124310235343.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 343532013421 - 2³⁵ = 309172275053 is a prime.

It is a super-2 number, since 2×343532013421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343532010421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147171 + ... + 1415296.

It is an arithmetic number, because the mean of its divisors is an integer number (43510706640).

Almost surely, 2^343532013421 is an apocalyptic number.

It is an amenable number.

343532013421 is a deficient number, since it is larger than the sum of its proper divisors (4553639699).

343532013421 is a wasteful number, since it uses less digits than its factorization.

343532013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564243.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 343532013421 its reverse (124310235343), we get a palindrome (467842248764).

The spelling of 343532013421 in words is "three hundred forty-three billion, five hundred thirty-two million, thirteen thousand, four hundred twenty-one".