Search a number
-
+
233113443231 = 3235987765293
BaseRepresentation
bin1101100100011010100…
…1001101101110011111
3211021201002001220001210
43121012221031232133
512304404020140411
6255031342035503
722561524400554
oct3310651155637
9737632056053
10233113443231
118a954509209
1239219278b93
1318ca0738176
14b3d5c22a2b
1560e559eca6
hex3646a4db9f

233113443231 has 32 divisors (see below), whose sum is σ = 330210040320. Its totient is φ = 145963661184.

The previous prime is 233113443203. The next prime is 233113443253. The reversal of 233113443231 is 132344311332.

It is not a de Polignac number, because 233113443231 - 213 = 233113435039 is a prime.

It is a super-2 number, since 2×2331134432312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233113443131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3537621 + ... + 3602913.

It is an arithmetic number, because the mean of its divisors is an integer number (10319063760).

Almost surely, 2233113443231 is an apocalyptic number.

233113443231 is a deficient number, since it is larger than the sum of its proper divisors (97096597089).

233113443231 is a wasteful number, since it uses less digits than its factorization.

233113443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66255.

The product of its digits is 15552, while the sum is 30.

Adding to 233113443231 its reverse (132344311332), we get a palindrome (365457754563).

The spelling of 233113443231 in words is "two hundred thirty-three billion, one hundred thirteen million, four hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 3 23 59 69 177 877 1357 2631 4071 20171 51743 60513 65293 155229 195879 1190089 1501739 3570267 3852287 4505217 11556861 57261961 88602601 171785883 265807803 1317025103 3378455699 3951075309 10135367097 77704481077 233113443231