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43211230031 = 475317346941
BaseRepresentation
bin101000001111100101…
…110000101101001111
311010112110112220222002
4220033211300231033
51201444033330111
631503450342515
73056546252324
oct501745605517
9133473486862
1043211230031
1117364681762
12845b42aa3b
1340c8453788
14213cc7ab4b
1511cd8a263b
hexa0f970b4f

43211230031 has 8 divisors (see below), whose sum is σ = 44963273664. Its totient is φ = 41493880480.

The previous prime is 43211230021. The next prime is 43211230043. The reversal of 43211230031 is 13003211234.

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

It is a cyclic number.

It is not a de Polignac number, because 43211230031 - 222 = 43207035727 is a prime.

It is a super-2 number, since 2×432112300312 (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 = 43211229985 and 43211230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43211230001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670980 + ... + 8675961.

It is an arithmetic number, because the mean of its divisors is an integer number (5620409208).

Almost surely, 243211230031 is an apocalyptic number.

43211230031 is a deficient number, since it is larger than the sum of its proper divisors (1752043633).

43211230031 is a wasteful number, since it uses less digits than its factorization.

43211230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17347041.

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

Adding to 43211230031 its reverse (13003211234), we get a palindrome (56214441265).

The spelling of 43211230031 in words is "forty-three billion, two hundred eleven million, two hundred thirty thousand, thirty-one".

Divisors: 1 47 53 2491 17346941 815306227 919387873 43211230031