Base | Representation |
---|---|
bin | 111101010010… |
… | …0100000101001 |
3 | 2020110102121020 |
4 | 1322210200221 |
5 | 31211143423 |
6 | 3104403053 |
7 | 540052500 |
oct | 172444051 |
9 | 66412536 |
10 | 32131113 |
11 | 17156643 |
12 | a916489 |
13 | 686ccc1 |
14 | 43a5837 |
15 | 2c4a4e3 |
hex | 1ea4829 |
32131113 has 12 divisors (see below), whose sum is σ = 49836240. Its totient is φ = 18360552.
The previous prime is 32131111. The next prime is 32131181. The reversal of 32131113 is 31113123.
It is not a de Polignac number, because 32131113 - 21 = 32131111 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 32131092 and 32131101.
It is not an unprimeable number, because it can be changed into a prime (32131111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109143 + ... + 109436.
It is an arithmetic number, because the mean of its divisors is an integer number (4153020).
Almost surely, 232131113 is an apocalyptic number.
It is an amenable number.
32131113 is a deficient number, since it is larger than the sum of its proper divisors (17705127).
32131113 is a wasteful number, since it uses less digits than its factorization.
32131113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218596 (or 218589 counting only the distinct ones).
The product of its digits is 54, while the sum is 15.
The square root of 32131113 is about 5668.4312644682. The cubic root of 32131113 is about 317.9132214461.
Adding to 32131113 its reverse (31113123), we get a palindrome (63244236).
The spelling of 32131113 in words is "thirty-two million, one hundred thirty-one thousand, one hundred thirteen".
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