203201230031 has 4 divisors (see below), whose sum is σ = 203202177000. Its totient is φ = 203200283064.

The previous prime is 203201230003. The next prime is 203201230097. The reversal of 203201230031 is 130032102302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 203201230031 - 2¹⁴ = 203201213647 is a prime.

It is a super-2 number, since 2×203201230031² (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 = 203201229991 and 203201230009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203201236031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19445 + ... + 637793.

It is an arithmetic number, because the mean of its divisors is an integer number (50800544250).

Almost surely, 2^203201230031 is an apocalyptic number.

203201230031 is a deficient number, since it is larger than the sum of its proper divisors (946969).

203201230031 is an equidigital number, since it uses as much as digits as its factorization.

203201230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946968.

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

Adding to 203201230031 its reverse (130032102302), we get a palindrome (333233332333).

The spelling of 203201230031 in words is "two hundred three billion, two hundred one million, two hundred thirty thousand, thirty-one".