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8054311931 is a prime number
BaseRepresentation
bin1111000000001001…
…10000101111111011
3202210022121102212022
413200010300233323
5112443400440211
63411115505055
7403410343661
oct74004605773
922708542768
108054311931
1134634a3846
12168945818b
139b487b063
145659a4c31
15322177bdb
hex1e0130bfb

8054311931 has 2 divisors, whose sum is σ = 8054311932. Its totient is φ = 8054311930.

The previous prime is 8054311927. The next prime is 8054311957. The reversal of 8054311931 is 1391134508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8054311931 - 22 = 8054311927 is a prime.

It is a super-2 number, since 2×80543119312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8054311891 and 8054311900.

It is not a weakly prime, because it can be changed into another prime (8054311921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4027155965 + 4027155966.

It is an arithmetic number, because the mean of its divisors is an integer number (4027155966).

Almost surely, 28054311931 is an apocalyptic number.

8054311931 is a deficient number, since it is larger than the sum of its proper divisors (1).

8054311931 is an equidigital number, since it uses as much as digits as its factorization.

8054311931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 8054311931 is about 89745.8184596920. The cubic root of 8054311931 is about 2004.5157903946.

The spelling of 8054311931 in words is "eight billion, fifty-four million, three hundred eleven thousand, nine hundred thirty-one".