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31323330011 = 211439338159
BaseRepresentation
bin11101001011000001…
…000001010111011011
32222211222101000212202
4131023001001113123
51003122233030021
622220103400415
72156135624561
oct351301012733
988758330782
1031323330011
11123142264a6
1260a215310b
132c525ab0cc
1417320bda31
15c34dc6a0b
hex74b0415db

31323330011 has 8 divisors (see below), whose sum is σ = 31543564800. Its totient is φ = 31103772840.

The previous prime is 31323329987. The next prime is 31323330013. The reversal of 31323330011 is 11003332313.

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 31323330011 - 234 = 14143460827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31323330013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76451 + ... + 261708.

It is an arithmetic number, because the mean of its divisors is an integer number (3942945600).

Almost surely, 231323330011 is an apocalyptic number.

31323330011 is a deficient number, since it is larger than the sum of its proper divisors (220234789).

31323330011 is a wasteful number, since it uses less digits than its factorization.

31323330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338809.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31323330011 its reverse (11003332313), we get a palindrome (42326662324).

The spelling of 31323330011 in words is "thirty-one billion, three hundred twenty-three million, three hundred thirty thousand, eleven".

Divisors: 1 211 439 92629 338159 71351549 148451801 31323330011