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1087327331 is a prime number
BaseRepresentation
bin100000011001111…
…0100110001100011
32210202222221200122
41000303310301203
54211323433311
6255521110455
735642062346
oct10063646143
92722887618
101087327331
1150884a132
1226418842b
1314436476c
14a45a045d
15656d10db
hex40cf4c63

1087327331 has 2 divisors, whose sum is σ = 1087327332. Its totient is φ = 1087327330.

The previous prime is 1087327303. The next prime is 1087327333. The reversal of 1087327331 is 1337237801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1337237801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1087327331 is a prime.

It is a super-2 number, since 2×10873273312 = 2364561449479167122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1087327333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1087327291 and 1087327300.

It is not a weakly prime, because it can be changed into another prime (1087327333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543663665 + 543663666.

It is an arithmetic number, because the mean of its divisors is an integer number (543663666).

Almost surely, 21087327331 is an apocalyptic number.

1087327331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087327331 is an equidigital number, since it uses as much as digits as its factorization.

1087327331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1087327331 is about 32974.6467911333. The cubic root of 1087327331 is about 1028.3006291565.

The spelling of 1087327331 in words is "one billion, eighty-seven million, three hundred twenty-seven thousand, three hundred thirty-one".