2003311032221 has 8 divisors (see below), whose sum is σ = 2009465983488. Its totient is φ = 1997156700000.

The previous prime is 2003311032197. The next prime is 2003311032227. The reversal of 2003311032221 is 1222301133002.

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-2003311032221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003311032193 and 2003311032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003311032227) 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, 6807236 + ... + 7095426.

It is an arithmetic number, because the mean of its divisors is an integer number (251183247936).

Almost surely, 2^{2003311032221} is an apocalyptic number.

It is an amenable number.

2003311032221 is a deficient number, since it is larger than the sum of its proper divisors (6154951267).

2003311032221 is a wasteful number, since it uses less digits than its factorization.

2003311032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309523.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2003311032221 its reverse (1222301133002), we get a palindrome (3225612165223).

The spelling of 2003311032221 in words is "two trillion, three billion, three hundred eleven million, thirty-two thousand, two hundred twenty-one".