203320011213 has 24 divisors (see below), whose sum is σ = 320928937056. Its totient is φ = 123014292000.

The previous prime is 203320011151. The next prime is 203320011217. The reversal of 203320011213 is 312110023302.

It is not a de Polignac number, because 203320011213 - 2⁶ = 203320011149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203320011217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1691238 + ... + 1807463.

It is an arithmetic number, because the mean of its divisors is an integer number (13372039044).

Almost surely, 2^203320011213 is an apocalyptic number.

It is an amenable number.

203320011213 is a deficient number, since it is larger than the sum of its proper divisors (117608925843).

203320011213 is a wasteful number, since it uses less digits than its factorization.

203320011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499305 (or 3499302 counting only the distinct ones).

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

Adding to 203320011213 its reverse (312110023302), we get a palindrome (515430034515).

The spelling of 203320011213 in words is "two hundred three billion, three hundred twenty million, eleven thousand, two hundred thirteen".