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43103041031 = 106940320899
BaseRepresentation
bin101000001001001001…
…000011011000000111
311010020220222100120002
4220021021003120013
51201233334303111
631445023431515
73054063542441
oct501111033007
9133226870502
1043103041031
11173095a7766
12842b15559b
1340abc0380b
14212c757491
1511c413163b
hexa09243607

43103041031 has 4 divisors (see below), whose sum is σ = 43143363000. Its totient is φ = 43062719064.

The previous prime is 43103041019. The next prime is 43103041073. The reversal of 43103041031 is 13014030134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43103041031 - 234 = 25923171847 is a prime.

It is a super-2 number, since 2×431030410312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43103040994 and 43103041012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43103041231) 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, 20159381 + ... + 20161518.

It is an arithmetic number, because the mean of its divisors is an integer number (10785840750).

Almost surely, 243103041031 is an apocalyptic number.

43103041031 is a deficient number, since it is larger than the sum of its proper divisors (40321969).

43103041031 is a wasteful number, since it uses less digits than its factorization.

43103041031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40321968.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 43103041031 its reverse (13014030134), we get a palindrome (56117071165).

The spelling of 43103041031 in words is "forty-three billion, one hundred three million, forty-one thousand, thirty-one".

Divisors: 1 1069 40320899 43103041031