203233031231 has 8 divisors (see below), whose sum is σ = 203644667760. Its totient is φ = 202821656832.

The previous prime is 203233031203. The next prime is 203233031263. The reversal of 203233031231 is 132130332302.

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 203233031231 - 2¹⁰ = 203233030207 is a prime.

It is a super-2 number, since 2×203233031231² (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 = 203233031197 and 203233031206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203233031831) 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, 1525580 + ... + 1653438.

It is an arithmetic number, because the mean of its divisors is an integer number (25455583470).

Almost surely, 2^203233031231 is an apocalyptic number.

203233031231 is a deficient number, since it is larger than the sum of its proper divisors (411636529).

203233031231 is a wasteful number, since it uses less digits than its factorization.

203233031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131065.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203233031231 its reverse (132130332302), we get a palindrome (335363363533).

The spelling of 203233031231 in words is "two hundred three billion, two hundred thirty-three million, thirty-one thousand, two hundred thirty-one".