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232123112131 = 313904382009
BaseRepresentation
bin1101100000101110011…
…1011001101011000011
3211012011001120212012011
43120023213121223003
512300342004042011
6254345203513351
722525140620101
oct3301347315303
9735131525164
10232123112131
118a496499859
1238ba1688857
1318b73504c31
14b3404b0c71
15608867d621
hex360b9d9ac3

232123112131 has 8 divisors (see below), whose sum is σ = 232893310160. Its totient is φ = 231353096832.

The previous prime is 232123112077. The next prime is 232123112141. The reversal of 232123112131 is 131211321232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232123112131 is a prime.

It is a super-2 number, since 2×2321231121312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232123112141) 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, 2789455 + ... + 2871463.

It is an arithmetic number, because the mean of its divisors is an integer number (29111663770).

Almost surely, 2232123112131 is an apocalyptic number.

232123112131 is a deficient number, since it is larger than the sum of its proper divisors (770198029).

232123112131 is an equidigital number, since it uses as much as digits as its factorization.

232123112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91365.

The product of its digits is 432, while the sum is 22.

Adding to 232123112131 its reverse (131211321232), we get a palindrome (363334433363).

The spelling of 232123112131 in words is "two hundred thirty-two billion, one hundred twenty-three million, one hundred twelve thousand, one hundred thirty-one".

Divisors: 1 313 9043 82009 2830459 25668817 741607387 232123112131