203030331332021 has 24 divisors (see below), whose sum is σ = 208684793349120. Its totient is φ = 197524793854080.

The previous prime is 203030331331991. The next prime is 203030331332033. The reversal of 203030331332021 is 120233133030302.

It is a happy number.

It is not a de Polignac number, because 203030331332021 - 2⁶ = 203030331331957 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 (203030331332221) 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, 8968155620 + ... + 8968178258.

It is an arithmetic number, because the mean of its divisors is an integer number (8695199722880).

Almost surely, 2^{203030331332021} is an apocalyptic number.

It is an amenable number.

203030331332021 is a deficient number, since it is larger than the sum of its proper divisors (5654462017099).

203030331332021 is a wasteful number, since it uses less digits than its factorization.

203030331332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37397 (or 37356 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 203030331332021 its reverse (120233133030302), we get a palindrome (323263464362323).

The spelling of 203030331332021 in words is "two hundred three trillion, thirty billion, three hundred thirty-one million, three hundred thirty-two thousand, twenty-one".