Base | Representation |
---|---|
bin | 1100010101111010… |
… | …0001000110000111 |
3 | 22112220012111110210 |
4 | 3011132201012013 |
5 | 23241124031211 |
6 | 1304431250503 |
7 | 145046661000 |
oct | 30536410607 |
9 | 8486174423 |
10 | 3313111431 |
11 | 145018a723 |
12 | 785679a33 |
13 | 40a523186 |
14 | 2360301a7 |
15 | 145ce29a6 |
hex | c57a1187 |
3313111431 has 32 divisors (see below), whose sum is σ = 5183449600. Its totient is φ = 1881496512.
The previous prime is 3313111379. The next prime is 3313111457. The reversal of 3313111431 is 1341113133.
It is not a de Polignac number, because 3313111431 - 27 = 3313111303 is a prime.
It is a super-2 number, since 2×33131114312 = 21953414708445735522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 3313111398 and 3313111407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3313111481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157851 + ... + 177603.
It is an arithmetic number, because the mean of its divisors is an integer number (161982800).
Almost surely, 23313111431 is an apocalyptic number.
3313111431 is a deficient number, since it is larger than the sum of its proper divisors (1870338169).
3313111431 is a wasteful number, since it uses less digits than its factorization.
3313111431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19940 (or 19926 counting only the distinct ones).
The product of its digits is 324, while the sum is 21.
The square root of 3313111431 is about 57559.6336941089. The cubic root of 3313111431 is about 1490.7747020112.
Adding to 3313111431 its reverse (1341113133), we get a palindrome (4654224564).
The spelling of 3313111431 in words is "three billion, three hundred thirteen million, one hundred eleven thousand, four hundred thirty-one".
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