Base | Representation |
---|---|
bin | 11101001100001100… |
… | …111001010110010010 |
3 | 2222220100210112222020 |
4 | 131030030321112102 |
5 | 1003142331020424 |
6 | 22222053552310 |
7 | 2156466655323 |
oct | 351414712622 |
9 | 88810715866 |
10 | 31343220114 |
11 | 123244811a8 |
12 | 60a8945696 |
13 | 2c567534bb |
14 | 17349ba44a |
15 | c36a05079 |
hex | 74c339592 |
31343220114 has 32 divisors (see below), whose sum is σ = 63714216384. Its totient is φ = 10277525760.
The previous prime is 31343220107. The next prime is 31343220119. The reversal of 31343220114 is 41102234313.
It is a happy number.
It is a super-2 number, since 2×313432201142 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31343220119) 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 15 ways as a sum of consecutive naturals, for example, 19027 + ... + 251094.
It is an arithmetic number, because the mean of its divisors is an integer number (1991069262).
Almost surely, 231343220114 is an apocalyptic number.
31343220114 is an abundant number, since it is smaller than the sum of its proper divisors (32370996270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31343220114 is a wasteful number, since it uses less digits than its factorization.
31343220114 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270442.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 31343220114 its reverse (41102234313), we get a palindrome (72445454427).
The spelling of 31343220114 in words is "thirty-one billion, three hundred forty-three million, two hundred twenty thousand, one hundred fourteen".
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