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32312113321 = 72744445823
BaseRepresentation
bin11110000101111100…
…111011100010101001
310002101212221102120211
4132011330323202221
51012133400111241
622502144421121
72222503301005
oct360574734251
9102355842524
1032312113321
1112781388a94
1263193177a1
13307c3bb9a7
1417c754b705
15c91ade781
hex785f3b8a9

32312113321 has 4 divisors (see below), whose sum is σ = 32356559872. Its totient is φ = 32267666772.

The previous prime is 32312113313. The next prime is 32312113349. The reversal of 32312113321 is 12331121323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12331121323 = 39731060759.

It is a cyclic number.

It is not a de Polignac number, because 32312113321 - 23 = 32312113313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32312113292 and 32312113301.

It is not an unprimeable number, because it can be changed into a prime (32312113021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22222185 + ... + 22223638.

It is an arithmetic number, because the mean of its divisors is an integer number (8089139968).

Almost surely, 232312113321 is an apocalyptic number.

It is an amenable number.

32312113321 is a deficient number, since it is larger than the sum of its proper divisors (44446551).

32312113321 is an equidigital number, since it uses as much as digits as its factorization.

32312113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44446550.

The product of its digits is 648, while the sum is 22.

Adding to 32312113321 its reverse (12331121323), we get a palindrome (44643234644).

The spelling of 32312113321 in words is "thirty-two billion, three hundred twelve million, one hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 727 44445823 32312113321