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23131022122211 is a prime number
BaseRepresentation
bin1010100001001100111000…
…10110110101110011100011
310000220022012200222012210212
411100212130112311303203
511012434313130402321
6121110124520244335
74605106201652333
oct520463426656343
9100808180865725
1023131022122211
1174088a1a66443
122716b446106ab
13cba32769c9b3
1459d7942890c3
152a1a5703e55b
hex15099c5b5ce3

23131022122211 has 2 divisors, whose sum is σ = 23131022122212. Its totient is φ = 23131022122210.

The previous prime is 23131022122151. The next prime is 23131022122217. The reversal of 23131022122211 is 11222122013132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23131022122211 - 26 = 23131022122147 is a prime.

It is not a weakly prime, because it can be changed into another prime (23131022122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565511061105 + 11565511061106.

It is an arithmetic number, because the mean of its divisors is an integer number (11565511061106).

Almost surely, 223131022122211 is an apocalyptic number.

23131022122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131022122211 is an equidigital number, since it uses as much as digits as its factorization.

23131022122211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 23131022122211 its reverse (11222122013132), we get a palindrome (34353144135343).

The spelling of 23131022122211 in words is "twenty-three trillion, one hundred thirty-one billion, twenty-two million, one hundred twenty-two thousand, two hundred eleven".