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22131231341 is a prime number
BaseRepresentation
bin10100100111000111…
…111100101001101101
32010010100211001000212
4110213013330221231
5330311043400331
614100021032205
71412301235232
oct244707745155
963110731025
1022131231341
11942755973a
124357855665
1321190ac07b
1410dd381789
15897e01d2b
hex5271fca6d

22131231341 has 2 divisors, whose sum is σ = 22131231342. Its totient is φ = 22131231340.

The previous prime is 22131231313. The next prime is 22131231347. The reversal of 22131231341 is 14313213122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22131025225 + 206116 = 148765^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131231341 - 226 = 22064122477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22131231347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065615670 + 11065615671.

It is an arithmetic number, because the mean of its divisors is an integer number (11065615671).

Almost surely, 222131231341 is an apocalyptic number.

It is an amenable number.

22131231341 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131231341 is an equidigital number, since it uses as much as digits as its factorization.

22131231341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 22131231341 its reverse (14313213122), we get a palindrome (36444444463).

The spelling of 22131231341 in words is "twenty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred forty-one".