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3012310231 = 7261475719
BaseRepresentation
bin1011001110001100…
…0011010011010111
321202221012012210121
42303203003103113
522132122411411
61214524132411
7134435133400
oct26343032327
97687165717
103012310231
111306409297
12700997107
133901047b8
142080cc9a7
151296c6571
hexb38c34d7

3012310231 has 6 divisors (see below), whose sum is σ = 3504116040. Its totient is φ = 2581980156.

The previous prime is 3012310219. The next prime is 3012310237. The reversal of 3012310231 is 1320132103.

It is not a de Polignac number, because 3012310231 - 25 = 3012310199 is a prime.

It is a super-2 number, since 2×30123102312 = 18148025855574546722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012310237) 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 in 5 ways as a sum of consecutive naturals, for example, 30737811 + ... + 30737908.

It is an arithmetic number, because the mean of its divisors is an integer number (584019340).

Almost surely, 23012310231 is an apocalyptic number.

3012310231 is a deficient number, since it is larger than the sum of its proper divisors (491805809).

3012310231 is an equidigital number, since it uses as much as digits as its factorization.

3012310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61475733 (or 61475726 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3012310231 is about 54884.5172248058. The cubic root of 3012310231 is about 1444.2195920869.

Adding to 3012310231 its reverse (1320132103), we get a palindrome (4332442334).

The spelling of 3012310231 in words is "three billion, twelve million, three hundred ten thousand, two hundred thirty-one".

Divisors: 1 7 49 61475719 430330033 3012310231