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31043084 = 2270111071
BaseRepresentation
bin111011001101…
…0111000001100
32011102011002212
41312122320030
530421334314
63025205552
7524601422
oct166327014
964364085
1031043084
1116583146
12a4908b8
13657b9b7
1441a1112
152ad2e3e
hex1d9ae0c

31043084 has 12 divisors (see below), whose sum is σ = 54407808. Its totient is φ = 15498000.

The previous prime is 31043081. The next prime is 31043101. The reversal of 31043084 is 48034013.

It is not an unprimeable number, because it can be changed into a prime (31043081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (4533984).

Almost surely, 231043084 is an apocalyptic number.

It is an amenable number.

31043084 is a deficient number, since it is larger than the sum of its proper divisors (23364724).

31043084 is a wasteful number, since it uses less digits than its factorization.

31043084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11776 (or 11774 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 31043084 is about 5571.6320768694. The cubic root of 31043084 is about 314.2835282414.

Adding to 31043084 its reverse (48034013), we get a palindrome (79077097).

The spelling of 31043084 in words is "thirty-one million, forty-three thousand, eighty-four".

Divisors: 1 2 4 701 1402 2804 11071 22142 44284 7760771 15521542 31043084