203221230031 has 8 divisors (see below), whose sum is σ = 209192505984. Its totient is φ = 197306554200.

The previous prime is 203221229963. The next prime is 203221230071. The reversal of 203221230031 is 130032122302.

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

It is a cyclic number.

It is not a de Polignac number, because 203221230031 - 2⁷ = 203221229903 is a prime.

It is a super-2 number, since 2×203221230031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203221229990 and 203221230008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203221230071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14142745 + ... + 14157106.

It is an arithmetic number, because the mean of its divisors is an integer number (26149063248).

Almost surely, 2^203221230031 is an apocalyptic number.

203221230031 is a deficient number, since it is larger than the sum of its proper divisors (5971275953).

203221230031 is a wasteful number, since it uses less digits than its factorization.

203221230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28300061.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203221230031 its reverse (130032122302), we get a palindrome (333253352333).

The spelling of 203221230031 in words is "two hundred three billion, two hundred twenty-one million, two hundred thirty thousand, thirty-one".