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9930801131 is a prime number
BaseRepresentation
bin10010011111110101…
…11111111111101011
3221122002112222010022
421033322333333223
5130314241114011
64321231311055
7501044262656
oct111772777753
927562488108
109930801131
114236750969
121b1197b48b
13c2356c4b4
146a2cac89d
153d1c8e8db
hex24febffeb

9930801131 has 2 divisors, whose sum is σ = 9930801132. Its totient is φ = 9930801130.

The previous prime is 9930801061. The next prime is 9930801173. The reversal of 9930801131 is 1311080399.

It is a strong prime.

It is an emirp because it is prime and its reverse (1311080399) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9930801131 is a prime.

It is a super-2 number, since 2×99308011312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9930801091 and 9930801100.

It is not a weakly prime, because it can be changed into another prime (9930801431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4965400565 + 4965400566.

It is an arithmetic number, because the mean of its divisors is an integer number (4965400566).

Almost surely, 29930801131 is an apocalyptic number.

9930801131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9930801131 is an equidigital number, since it uses as much as digits as its factorization.

9930801131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 9930801131 is about 99653.4050145804. The cubic root of 9930801131 is about 2149.4537015477.

The spelling of 9930801131 in words is "nine billion, nine hundred thirty million, eight hundred one thousand, one hundred thirty-one".