203240132243231 has 8 divisors (see below), whose sum is σ = 203570273986128. Its totient is φ = 202910031232000.

The previous prime is 203240132243209. The next prime is 203240132243261. The reversal of 203240132243231 is 132342231042302.

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 203240132243231 - 2¹⁰ = 203240132242207 is a prime.

It is a super-2 number, since 2×203240132243231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203240132243261) 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, 187385 + ... + 20162226.

It is an arithmetic number, because the mean of its divisors is an integer number (25446284248266).

Almost surely, 2^{203240132243231} is an apocalyptic number.

203240132243231 is a deficient number, since it is larger than the sum of its proper divisors (330141742897).

203240132243231 is a wasteful number, since it uses less digits than its factorization.

203240132243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365833.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 203240132243231 its reverse (132342231042302), we get a palindrome (335582363285533).

The spelling of 203240132243231 in words is "two hundred three trillion, two hundred forty billion, one hundred thirty-two million, two hundred forty-three thousand, two hundred thirty-one".