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232211131213 is a prime number
BaseRepresentation
bin1101100001000011011…
…1001010101101001101
3211012101012012200200011
43120100313022231031
512301032022144323
6254402030233221
722530260022355
oct3302067125515
9735335180604
10232211131213
118a5311478a6
1239007055811
1318b88812329
14b34c063b65
15609126820d
hex3610dcab4d

232211131213 has 2 divisors, whose sum is σ = 232211131214. Its totient is φ = 232211131212.

The previous prime is 232211131171. The next prime is 232211131231. The reversal of 232211131213 is 312131112232.

232211131213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (232211131231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165679119369 + 66532011844 = 407037^2 + 257938^2 .

It is a cyclic number.

It is not a de Polignac number, because 232211131213 - 233 = 223621196621 is a prime.

It is a super-2 number, since 2×2322111312132 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232211138213) 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 as a sum of consecutive naturals, namely, 116105565606 + 116105565607.

It is an arithmetic number, because the mean of its divisors is an integer number (116105565607).

Almost surely, 2232211131213 is an apocalyptic number.

It is an amenable number.

232211131213 is a deficient number, since it is larger than the sum of its proper divisors (1).

232211131213 is an equidigital number, since it uses as much as digits as its factorization.

232211131213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 232211131213 its reverse (312131112232), we get a palindrome (544342243445).

The spelling of 232211131213 in words is "two hundred thirty-two billion, two hundred eleven million, one hundred thirty-one thousand, two hundred thirteen".