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34344031 = 283121357
BaseRepresentation
bin1000001100000…
…0110001011111
32101121212011011
42003000301133
532243002111
63224040051
7564630241
oct203006137
971555134
1034344031
11184281a7
12b603027
137166317
1447c0091
153036021
hex20c0c5f

34344031 has 4 divisors (see below), whose sum is σ = 34465672. Its totient is φ = 34222392.

The previous prime is 34343987. The next prime is 34344059. The reversal of 34344031 is 13044343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13044343 = 131003411.

It is a cyclic number.

It is not a de Polignac number, because 34344031 - 213 = 34335839 is a prime.

It is a super-2 number, since 2×343440312 = 2359024930657922, 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 = 34343993 and 34344011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34344631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60396 + ... + 60961.

It is an arithmetic number, because the mean of its divisors is an integer number (8616418).

Almost surely, 234344031 is an apocalyptic number.

34344031 is a deficient number, since it is larger than the sum of its proper divisors (121641).

34344031 is a wasteful number, since it uses less digits than its factorization.

34344031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121640.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 34344031 is about 5860.3780594771. The cubic root of 34344031 is about 325.0501886988.

Adding to 34344031 its reverse (13044343), we get a palindrome (47388374).

The spelling of 34344031 in words is "thirty-four million, three hundred forty-four thousand, thirty-one".

Divisors: 1 283 121357 34344031