233313031231 has 16 divisors (see below), whose sum is σ = 276157900800. Its totient is φ = 192862762848.

The previous prime is 233313031223. The next prime is 233313031247. The reversal of 233313031231 is 132130313332.

233313031231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 233313031231 - 2³ = 233313031223 is a prime.

It is a super-2 number, since 2×233313031231² (a number of 24 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 = 233313031196 and 233313031205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233313071231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490701 + ... + 841078.

It is an arithmetic number, because the mean of its divisors is an integer number (17259868800).

Almost surely, 2^233313031231 is an apocalyptic number.

233313031231 is a deficient number, since it is larger than the sum of its proper divisors (42844869569).

233313031231 is a wasteful number, since it uses less digits than its factorization.

233313031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332678.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 233313031231 its reverse (132130313332), we get a palindrome (365443344563).

The spelling of 233313031231 in words is "two hundred thirty-three billion, three hundred thirteen million, thirty-one thousand, two hundred thirty-one".