343213000 has 128 divisors (see below), whose sum is σ = 916362720. Its totient is φ = 119193600.

The previous prime is 343212959. The next prime is 343213021. The reversal of 343213000 is 312343.

It can be written as a sum of positive squares in 16 ways, for example, as 76282756 + 266930244 = 8734^2 + 16338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220224 + ... + 221776.

Almost surely, 2^343213000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458181360).

343213000 is an abundant number, since it is smaller than the sum of its proper divisors (573149720).

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

343213000 is a wasteful number, since it uses less digits than its factorization.

343213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 343213000 is about 18526.0087444652. The cubic root of 343213000 is about 700.1448679761.

Adding to 343213000 its reverse (312343), we get a palindrome (343525343).

The spelling of 343213000 in words is "three hundred forty-three million, two hundred thirteen thousand".