10203321213 has 24 divisors (see below), whose sum is σ = 15244232640. Its totient is φ = 6571851840.

The previous prime is 10203321209. The next prime is 10203321241. The reversal of 10203321213 is 31212330201.

It is not a de Polignac number, because 10203321213 - 2² = 10203321209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203321253) 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, 96223 + ... + 172236.

It is an arithmetic number, because the mean of its divisors is an integer number (635176360).

Almost surely, 2^10203321213 is an apocalyptic number.

It is an amenable number.

10203321213 is a deficient number, since it is larger than the sum of its proper divisors (5040911427).

10203321213 is a wasteful number, since it uses less digits than its factorization.

10203321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268609 (or 268606 counting only the distinct ones).

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

Adding to 10203321213 its reverse (31212330201), we get a palindrome (41415651414).

It can be divided in two parts, 1020 and 3321213, that added together give a palindrome (3322233).

The spelling of 10203321213 in words is "ten billion, two hundred three million, three hundred twenty-one thousand, two hundred thirteen".