3213000243 has 16 divisors (see below), whose sum is σ = 4761200640. Its totient is φ = 2141460072.

The previous prime is 3213000233. The next prime is 3213000247. The reversal of 3213000243 is 3420003123.

3213000243 is a `hidden beast` number, since 321 + 300 + 0 + 2 + 43 = 666.

It is not a de Polignac number, because 3213000243 - 2⁵ = 3213000211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3213000247) 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 15 ways as a sum of consecutive naturals, for example, 114330 + ... + 139632.

It is an arithmetic number, because the mean of its divisors is an integer number (297575040).

Almost surely, 2^3213000243 is an apocalyptic number.

3213000243 is a deficient number, since it is larger than the sum of its proper divisors (1548200397).

3213000243 is a wasteful number, since it uses less digits than its factorization.

3213000243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30015 (or 30009 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3213000243 is about 56683.3330265608. Note that the first 3 decimals coincide. The cubic root of 3213000243 is about 1475.6054575378.

Adding to 3213000243 its reverse (3420003123), we get a palindrome (6633003366).

The spelling of 3213000243 in words is "three billion, two hundred thirteen million, two hundred forty-three", and thus it is an aban number.