201232320231 has 8 divisors (see below), whose sum is σ = 282431326720. Its totient is φ = 127094096952.

The previous prime is 201232320229. The next prime is 201232320371. The reversal of 201232320231 is 132023232102.

It is a happy number.

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

It is not a de Polignac number, because 201232320231 - 2¹ = 201232320229 is a prime.

It is a super-2 number, since 2×201232320231² (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 = 201232320198 and 201232320207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201232310231) 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, 1765195735 + ... + 1765195848.

It is an arithmetic number, because the mean of its divisors is an integer number (35303915840).

Almost surely, 2^201232320231 is an apocalyptic number.

201232320231 is a deficient number, since it is larger than the sum of its proper divisors (81199006489).

201232320231 is a wasteful number, since it uses less digits than its factorization.

201232320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530391605.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201232320231 its reverse (132023232102), we get a palindrome (333255552333).

The spelling of 201232320231 in words is "two hundred one billion, two hundred thirty-two million, three hundred twenty thousand, two hundred thirty-one".