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31332110022 = 2321740672779
BaseRepresentation
bin11101001011100010…
…100000111011000110
32222212120220002210100
4131023202200323012
51003132010010042
622221015504530
72156303353353
oct351342407306
988776802710
1031332110022
1112319183004
1260a5088146
132c54363595
14173332762a
15c35a5d24c
hex74b8a0ec6

31332110022 has 12 divisors (see below), whose sum is σ = 67886238420. Its totient is φ = 10444036668.

The previous prime is 31332109987. The next prime is 31332110053. The reversal of 31332110022 is 22001123313.

31332110022 is a `hidden beast` number, since 313 + 321 + 10 + 0 + 22 = 666.

It is a super-2 number, since 2×313321100222 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1740672779 = 31332110022 / (3 + 1 + 3 + 3 + 2 + 1 + 1 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 31332109977 and 31332110004.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 870336372 + ... + 870336407.

It is an arithmetic number, because the mean of its divisors is an integer number (5657186535).

Almost surely, 231332110022 is an apocalyptic number.

31332110022 is an abundant number, since it is smaller than the sum of its proper divisors (36554128398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31332110022 is a wasteful number, since it uses less digits than its factorization.

31332110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740672787 (or 1740672784 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31332110022 its reverse (22001123313), we get a palindrome (53333233335).

The spelling of 31332110022 in words is "thirty-one billion, three hundred thirty-two million, one hundred ten thousand, twenty-two".

Divisors: 1 2 3 6 9 18 1740672779 3481345558 5222018337 10444036674 15666055011 31332110022