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983131 is a prime number
BaseRepresentation
bin11110000000001011011
31211221121021
43300001123
5222430011
633023311
711233162
oct3600133
91757537
10983131
11611706
123b4b37
13285646
141b83d9
15146471
hexf005b

983131 has 2 divisors, whose sum is σ = 983132. Its totient is φ = 983130.

The previous prime is 983123. The next prime is 983141. The reversal of 983131 is 131389.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 983131 - 23 = 983123 is a prime.

It is a super-2 number, since 2×9831312 = 1933093126322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 983096 and 983105.

It is not a weakly prime, because it can be changed into another prime (983141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491565 + 491566.

It is an arithmetic number, because the mean of its divisors is an integer number (491566).

2983131 is an apocalyptic number.

983131 is a deficient number, since it is larger than the sum of its proper divisors (1).

983131 is an equidigital number, since it uses as much as digits as its factorization.

983131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 983131 is about 991.5296263854. The cubic root of 983131 is about 99.4345082182.

The spelling of 983131 in words is "nine hundred eighty-three thousand, one hundred thirty-one".