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31441342 = 2374143241
BaseRepresentation
bin111011111110…
…0000110111110
32012011101102011
41313330012332
531022110332
63041521434
7531150502
oct167740676
965141364
1031441342
1116825389
12a64327a
13668b05a
144266302
152b60e47
hex1dfc1be

31441342 has 32 divisors (see below), whose sum is σ = 50982624. Its totient is φ = 14515200.

The previous prime is 31441339. The next prime is 31441351. The reversal of 31441342 is 24314413.

It is a congruent number.

It is an unprimeable number.

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, 130342 + ... + 130582.

It is an arithmetic number, because the mean of its divisors is an integer number (1593207).

Almost surely, 231441342 is an apocalyptic number.

31441342 is a deficient number, since it is larger than the sum of its proper divisors (19541282).

31441342 is a wasteful number, since it uses less digits than its factorization.

31441342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its digits is 1152, while the sum is 22.

The square root of 31441342 is about 5607.2579751604. The cubic root of 31441342 is about 315.6218236716.

Adding to 31441342 its reverse (24314413), we get a palindrome (55755755).

The spelling of 31441342 in words is "thirty-one million, four hundred forty-one thousand, three hundred forty-two".

Divisors: 1 2 37 41 43 74 82 86 241 482 1517 1591 1763 3034 3182 3526 8917 9881 10363 17834 19762 20726 65231 130462 365597 383431 424883 731194 766862 849766 15720671 31441342