233201030231 has 4 divisors (see below), whose sum is σ = 251139571032. Its totient is φ = 215262489432.

The previous prime is 233201030213. The next prime is 233201030233. The reversal of 233201030231 is 132030102332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233201030231 - 2²⁶ = 233133921367 is a prime.

It is a super-2 number, since 2×233201030231² (a number of 24 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 (233201030233) 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, 8969270381 + ... + 8969270406.

It is an arithmetic number, because the mean of its divisors is an integer number (62784892758).

Almost surely, 2^233201030231 is an apocalyptic number.

233201030231 is a deficient number, since it is larger than the sum of its proper divisors (17938540801).

233201030231 is a wasteful number, since it uses less digits than its factorization.

233201030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17938540800.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 233201030231 its reverse (132030102332), we get a palindrome (365231132563).

The spelling of 233201030231 in words is "two hundred thirty-three billion, two hundred one million, thirty thousand, two hundred thirty-one".