10203203321 has 8 divisors (see below), whose sum is σ = 10533625344. Its totient is φ = 9872861760.

The previous prime is 10203203303. The next prime is 10203203341. The reversal of 10203203321 is 12330230201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203203321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203203321.

It is not an unprimeable number, because it can be changed into a prime (10203203341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340481 + ... + 369233.

It is an arithmetic number, because the mean of its divisors is an integer number (1316703168).

Almost surely, 2^10203203321 is an apocalyptic number.

It is an amenable number.

10203203321 is a deficient number, since it is larger than the sum of its proper divisors (330422023).

10203203321 is a wasteful number, since it uses less digits than its factorization.

10203203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40231.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10203203321 its reverse (12330230201), we get a palindrome (22533433522).

The spelling of 10203203321 in words is "ten billion, two hundred three million, two hundred three thousand, three hundred twenty-one".