Base | Representation |
---|---|
bin | 11100111101110001… |
… | …011100000010001100 |
3 | 2222021111021200001000 |
4 | 130331301130002030 |
5 | 1002143343004012 |
6 | 22142045220300 |
7 | 2150500223565 |
oct | 347561340214 |
9 | 88244250030 |
10 | 31101141132 |
11 | 1220a868726 |
12 | 603b861690 |
13 | 2c185552b9 |
14 | 17107a316c |
15 | c20637ddc |
hex | 73dc5c08c |
31101141132 has 24 divisors (see below), whose sum is σ = 80632588400. Its totient is φ = 10367047008.
The previous prime is 31101141119. The next prime is 31101141139. The reversal of 31101141132 is 23114110113.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (31101141139) 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, 143986657 + ... + 143986872.
Almost surely, 231101141132 is an apocalyptic number.
It is an amenable number.
31101141132 is an abundant number, since it is smaller than the sum of its proper divisors (49531447268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31101141132 is a wasteful number, since it uses less digits than its factorization.
31101141132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287973542 (or 287973534 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 31101141132 its reverse (23114110113), we get a palindrome (54215251245).
The spelling of 31101141132 in words is "thirty-one billion, one hundred one million, one hundred forty-one thousand, one hundred thirty-two".
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