Search a number
-
+
8013833131 is a prime number
BaseRepresentation
bin1110111011010100…
…10110001110101011
3202200111102220101111
413131222112032223
5112403020130011
63403112131151
7402406312663
oct73552261653
922614386344
108013833131
113442666497
121677996ab7
139a93775c5
145604691a3
1531d82e121
hex1dda963ab

8013833131 has 2 divisors, whose sum is σ = 8013833132. Its totient is φ = 8013833130.

The previous prime is 8013833123. The next prime is 8013833143. The reversal of 8013833131 is 1313383108.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8013833131 - 23 = 8013833123 is a prime.

It is a super-2 number, since 2×80138331312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8013833093 and 8013833102.

It is not a weakly prime, because it can be changed into another prime (8013833171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006916565 + 4006916566.

It is an arithmetic number, because the mean of its divisors is an integer number (4006916566).

Almost surely, 28013833131 is an apocalyptic number.

8013833131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8013833131 is an equidigital number, since it uses as much as digits as its factorization.

8013833131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8013833131 is about 89520.0152535733. The cubic root of 8013833131 is about 2001.1520971253.

The spelling of 8013833131 in words is "eight billion, thirteen million, eight hundred thirty-three thousand, one hundred thirty-one".