3203121213 has 32 divisors (see below), whose sum is σ = 5111321600. Its totient is φ = 1975963248.

The previous prime is 3203121211. The next prime is 3203121247. The reversal of 3203121213 is 3121213023.

It is not a de Polignac number, because 3203121213 - 2¹ = 3203121211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3203121211) 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 31 ways as a sum of consecutive naturals, for example, 50545 + ... + 94662.

It is an arithmetic number, because the mean of its divisors is an integer number (159728800).

Almost surely, 2^3203121213 is an apocalyptic number.

It is an amenable number.

3203121213 is a deficient number, since it is larger than the sum of its proper divisors (1908200387).

3203121213 is a wasteful number, since it uses less digits than its factorization.

3203121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145278 (or 145272 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3203121213 is about 56596.1236570138. The cubic root of 3203121213 is about 1474.0915540610.

Adding to 3203121213 its reverse (3121213023), we get a palindrome (6324334236).

The spelling of 3203121213 in words is "three billion, two hundred three million, one hundred twenty-one thousand, two hundred thirteen".