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32031230321 = 731061413557
BaseRepresentation
bin11101110101001101…
…011100100101110001
310001200022102002112202
4131311031130211301
51011044443332241
622414232232545
72212522652066
oct356515344561
9101608362482
1032031230321
1112647881482
12625b23b755
13303615542c
14179c112c6d
15c77109d9b
hex77535c971

32031230321 has 8 divisors (see below), whose sum is σ = 32500696104. Its totient is φ = 31562593920.

The previous prime is 32031230267. The next prime is 32031230327. The reversal of 32031230321 is 12303213023.

It can be written as a sum of positive squares in 4 ways, for example, as 8118010000 + 23913220321 = 90100^2 + 154639^2 .

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 32031230321 - 210 = 32031229297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32031230293 and 32031230302.

It is not an unprimeable number, because it can be changed into a prime (32031230327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129326 + ... + 284231.

It is an arithmetic number, because the mean of its divisors is an integer number (4062587013).

Almost surely, 232031230321 is an apocalyptic number.

It is an amenable number.

32031230321 is a deficient number, since it is larger than the sum of its proper divisors (469465783).

32031230321 is a wasteful number, since it uses less digits than its factorization.

32031230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414691.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32031230321 its reverse (12303213023), we get a palindrome (44334443344).

The spelling of 32031230321 in words is "thirty-two billion, thirty-one million, two hundred thirty thousand, three hundred twenty-one".

Divisors: 1 73 1061 77453 413557 30189661 438783977 32031230321