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1043434431 = 321343207401
BaseRepresentation
bin111110001100011…
…000101110111111
32200201101221221200
4332030120232333
54114104400211
6251312230543
734600021614
oct7614305677
92621357850
101043434431
11495a9a806
1225153b453
13138237030
149c81650b
1561910b56
hex3e318bbf

1043434431 has 24 divisors (see below), whose sum is σ = 1660875216. Its totient is φ = 627177600.

The previous prime is 1043434421. The next prime is 1043434439. The reversal of 1043434431 is 1344343401.

It is not a de Polignac number, because 1043434431 - 26 = 1043434367 is a prime.

It is a super-2 number, since 2×10434344312 = 2177510823592587522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043434395 and 1043434404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043434439) 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 23 ways as a sum of consecutive naturals, for example, 98670 + ... + 108731.

It is an arithmetic number, because the mean of its divisors is an integer number (69203134).

Almost surely, 21043434431 is an apocalyptic number.

1043434431 is a deficient number, since it is larger than the sum of its proper divisors (617440785).

1043434431 is a wasteful number, since it uses less digits than its factorization.

1043434431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207463 (or 207460 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1043434431 is about 32302.2356966201. The cubic root of 1043434431 is about 1014.2734431716.

Adding to 1043434431 its reverse (1344343401), we get a palindrome (2387777832).

The spelling of 1043434431 in words is "one billion, forty-three million, four hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 3 9 13 39 43 117 129 387 559 1677 5031 207401 622203 1866609 2696213 8088639 8918243 24265917 26754729 80264187 115937159 347811477 1043434431