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32322313381 is a prime number
BaseRepresentation
bin11110000110100011…
…110101110010100101
310002102121010122102211
4132012203311302211
51012144003012011
622503151203421
72222656062541
oct360643656245
9102377118384
1032322313381
1112787115496
126320816571
133081550627
1417c8a44a21
15c92956b21
hex7868f5ca5

32322313381 has 2 divisors, whose sum is σ = 32322313382. Its totient is φ = 32322313380.

The previous prime is 32322313337. The next prime is 32322313393. The reversal of 32322313381 is 18331322323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31128956356 + 1193357025 = 176434^2 + 34545^2 .

It is an emirp because it is prime and its reverse (18331322323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32322313381 - 27 = 32322313253 is a prime.

It is a super-2 number, since 2×323223133812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32322313981) 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, 16161156690 + 16161156691.

It is an arithmetic number, because the mean of its divisors is an integer number (16161156691).

Almost surely, 232322313381 is an apocalyptic number.

It is an amenable number.

32322313381 is a deficient number, since it is larger than the sum of its proper divisors (1).

32322313381 is an equidigital number, since it uses as much as digits as its factorization.

32322313381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The spelling of 32322313381 in words is "thirty-two billion, three hundred twenty-two million, three hundred thirteen thousand, three hundred eighty-one".