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3131011424 = 25791238533
BaseRepresentation
bin1011101010011111…
…0111000101100000
322002012112212020002
42322213313011200
522403014331144
61234404235132
7140406105122
oct27247670540
98065485202
103131011424
111367413252
1273469baa8
133ab8954a8
14219b8b212
15134d2214e
hexba9f7160

3131011424 has 24 divisors (see below), whose sum is σ = 6242211360. Its totient is φ = 1545687936.

The previous prime is 3131011409. The next prime is 3131011427. The reversal of 3131011424 is 4241101313.

It is a junction number, because it is equal to n+sod(n) for n = 3131011396 and 3131011405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131011427) 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 3 ways as a sum of consecutive naturals, for example, 616739 + ... + 621794.

It is an arithmetic number, because the mean of its divisors is an integer number (260092140).

Almost surely, 23131011424 is an apocalyptic number.

It is an amenable number.

3131011424 is a deficient number, since it is larger than the sum of its proper divisors (3111199936).

3131011424 is a wasteful number, since it uses less digits than its factorization.

3131011424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238622 (or 1238614 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3131011424 is about 55955.4414154691. The cubic root of 3131011424 is about 1462.9457358484.

Adding to 3131011424 its reverse (4241101313), we get a palindrome (7372112737).

The spelling of 3131011424 in words is "three billion, one hundred thirty-one million, eleven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 79 158 316 632 1264 2528 1238533 2477066 4954132 9908264 19816528 39633056 97844107 195688214 391376428 782752856 1565505712 3131011424