343004021000 has 64 divisors (see below), whose sum is σ = 814609111680. Its totient is φ = 135153796800.

The previous prime is 343004020951. The next prime is 343004021033. The reversal of 343004021000 is 120400343.

It is a self number, because there is not a number n which added to its sum of digits gives 343004021000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2492732 + ... + 2626731.

It is an arithmetic number, because the mean of its divisors is an integer number (12728267370).

Almost surely, 2^343004021000 is an apocalyptic number.

It is an amenable number.

343004021000 is an abundant number, since it is smaller than the sum of its proper divisors (471605090680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343004021000 is a wasteful number, since it uses less digits than its factorization.

343004021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119551 (or 5119537 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 343004021000 its reverse (120400343), we get a palindrome (343124421343).

The spelling of 343004021000 in words is "three hundred forty-three billion, four million, twenty-one thousand".