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3123310232231 = 77127722687099
BaseRepresentation
bin101101011100110011110…
…011000000001010100111
3102001120210212020002220022
4231130303303000022213
5402133014404412411
610350455013425355
7441436352636240
oct55346363001247
912046725202808
103123310232231
11aa4652224312
1242539a33b25b
131986b076ca67
14ab251b1dcc7
15563a011dedb
hex2d733cc02a7

3123310232231 has 16 divisors (see below), whose sum is σ = 3632839948800. Its totient is φ = 2629888400160.

The previous prime is 3123310232213. The next prime is 3123310232243. The reversal of 3123310232231 is 1322320133213.

3123310232231 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 3123310232231 - 214 = 3123310215847 is a prime.

It is a super-2 number, since 2×31233102322312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3123310232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123310232201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11205881 + ... + 11481218.

It is an arithmetic number, because the mean of its divisors is an integer number (227052496800).

Almost surely, 23123310232231 is an apocalyptic number.

3123310232231 is a deficient number, since it is larger than the sum of its proper divisors (509529716569).

3123310232231 is a wasteful number, since it uses less digits than its factorization.

3123310232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22687454.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3123310232231 its reverse (1322320133213), we get a palindrome (4445630365444).

The spelling of 3123310232231 in words is "three trillion, one hundred twenty-three billion, three hundred ten million, two hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 7 71 277 497 1939 19667 137669 22687099 158809693 1610784029 6284326423 11275488203 43990284961 446187176033 3123310232231