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3144421131 = 319151365333
BaseRepresentation
bin1011101101101100…
…0000111100001011
322010010210010212220
42323123000330023
522414432434011
61240003505123
7140631065355
oct27333007413
98103703786
103144421131
111373a42155
127390881a3
133b15ac027
1421b87c0d5
151360c0506
hexbb6c0f0b

3144421131 has 16 divisors (see below), whose sum is σ = 4442461440. Its totient is φ = 1972792800.

The previous prime is 3144421079. The next prime is 3144421141. The reversal of 3144421131 is 1311244413.

It is not a de Polignac number, because 3144421131 - 219 = 3143896843 is a prime.

It is a super-2 number, since 2×31444211312 = 19774768498158638322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3144421141) 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 15 ways as a sum of consecutive naturals, for example, 174060 + ... + 191273.

It is an arithmetic number, because the mean of its divisors is an integer number (277653840).

Almost surely, 23144421131 is an apocalyptic number.

3144421131 is a deficient number, since it is larger than the sum of its proper divisors (1298040309).

3144421131 is a wasteful number, since it uses less digits than its factorization.

3144421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365506.

The product of its digits is 1152, while the sum is 24.

The square root of 3144421131 is about 56075.1382610868. The cubic root of 3144421131 is about 1465.0312955221.

Adding to 3144421131 its reverse (1311244413), we get a palindrome (4455665544).

The spelling of 3144421131 in words is "three billion, one hundred forty-four million, four hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 19 57 151 453 2869 8607 365333 1095999 6941327 20823981 55165283 165495849 1048140377 3144421131