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31014044 = 2222213491
BaseRepresentation
bin111011001001…
…1110010011100
32011100200021022
41312103302130
530414422134
63024423312
7524420645
oct166236234
964320238
1031014044
1116563346
12a477b38
13656b709
1441946cc
152ac952e
hex1d93c9c

31014044 has 12 divisors (see below), whose sum is σ = 54314568. Its totient is φ = 15495600.

The previous prime is 31014019. The next prime is 31014059. The reversal of 31014044 is 44041013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7139 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (4526214).

Almost surely, 231014044 is an apocalyptic number.

It is an amenable number.

31014044 is a deficient number, since it is larger than the sum of its proper divisors (23300524).

31014044 is a wasteful number, since it uses less digits than its factorization.

31014044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 31014044 is about 5569.0254084534. The cubic root of 31014044 is about 314.1854963029.

Adding to 31014044 its reverse (44041013), we get a palindrome (75055057).

The spelling of 31014044 in words is "thirty-one million, fourteen thousand, forty-four".

Divisors: 1 2 4 2221 3491 4442 6982 8884 13964 7753511 15507022 31014044