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31234323 = 324143201
BaseRepresentation
bin111011100100…
…1100100010011
32011202212102210
41313021210103
530443444243
63033243203
7526326111
oct167114423
964685383
1031234323
11166a389a
12a563503
136617a63
144210ab1
152b1e933
hex1dc9913

31234323 has 8 divisors (see below), whose sum is σ = 41819536. Its totient is φ = 20736000.

The previous prime is 31234319. The next prime is 31234337. The reversal of 31234323 is 32343213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31234323 - 22 = 31234319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31234323.

It is not an unprimeable number, because it can be changed into a prime (31234303) 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 7 ways as a sum of consecutive naturals, for example, 20878 + ... + 22323.

It is an arithmetic number, because the mean of its divisors is an integer number (5227442).

Almost surely, 231234323 is an apocalyptic number.

31234323 is a deficient number, since it is larger than the sum of its proper divisors (10585213).

31234323 is a wasteful number, since it uses less digits than its factorization.

31234323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43445.

The product of its digits is 1296, while the sum is 21.

The square root of 31234323 is about 5588.7675743405. The cubic root of 31234323 is about 314.9275822440.

Adding to 31234323 its reverse (32343213), we get a palindrome (63577536).

The spelling of 31234323 in words is "thirty-one million, two hundred thirty-four thousand, three hundred twenty-three".

Divisors: 1 3 241 723 43201 129603 10411441 31234323