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34110031 = 85939709
BaseRepresentation
bin1000001000011…
…1101001001111
32101011222011111
42002013221033
532213010111
63215032451
7562634104
oct202075117
971158144
1034110031
111828840a
12b50b727
1370b3967
14475caab
152edba21
hex2087a4f

34110031 has 4 divisors (see below), whose sum is σ = 34150600. Its totient is φ = 34069464.

The previous prime is 34110029. The next prime is 34110047. The reversal of 34110031 is 13001143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13001143 = 30742349.

It is a cyclic number.

It is not a de Polignac number, because 34110031 - 21 = 34110029 is a prime.

It is a super-2 number, since 2×341100312 = 2326988429641922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34109993 and 34110020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34110071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18996 + ... + 20713.

It is an arithmetic number, because the mean of its divisors is an integer number (8537650).

Almost surely, 234110031 is an apocalyptic number.

34110031 is a deficient number, since it is larger than the sum of its proper divisors (40569).

34110031 is an equidigital number, since it uses as much as digits as its factorization.

34110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40568.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 34110031 is about 5840.3793541173. The cubic root of 34110031 is about 324.3102721791.

Adding to 34110031 its reverse (13001143), we get a palindrome (47111174).

The spelling of 34110031 in words is "thirty-four million, one hundred ten thousand, thirty-one".

Divisors: 1 859 39709 34110031