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3117331 = 72113563
BaseRepresentation
bin1011111001000100010011
312212101011201
423321010103
51244223311
6150452031
735332300
oct13710423
95771151
103117331
11183a108
121064017
13851b99
145b20a7
154189c1
hex2f9113

3117331 has 12 divisors (see below), whose sum is σ = 3664872. Its totient is φ = 2643648.

The previous prime is 3117299. The next prime is 3117421. The reversal of 3117331 is 1337113.

It is a happy number.

3117331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3117331 - 25 = 3117299 is a prime.

It is a super-2 number, since 2×31173312 = 19435505127122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3117299 and 3117308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5256 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (305406).

Almost surely, 23117331 is an apocalyptic number.

3117331 is a deficient number, since it is larger than the sum of its proper divisors (547541).

3117331 is a wasteful number, since it uses less digits than its factorization.

3117331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 683 counting only the distinct ones).

The product of its digits is 189, while the sum is 19.

The square root of 3117331 is about 1765.5964997700. The cubic root of 3117331 is about 146.0811927200.

The spelling of 3117331 in words is "three million, one hundred seventeen thousand, three hundred thirty-one".

Divisors: 1 7 49 113 563 791 3941 5537 27587 63619 445333 3117331