Base | Representation |
---|---|
bin | 11101110101001101… |
… | …110000110010000111 |
3 | 10001200022120022000002 |
4 | 131311031300302013 |
5 | 1011100004004111 |
6 | 22414234111515 |
7 | 2212523445164 |
oct | 356515606207 |
9 | 101608508002 |
10 | 32031313031 |
11 | 12647928633 |
12 | 625b27b59b |
13 | 3036183c83 |
14 | 179c13506b |
15 | c7712463b |
hex | 775370c87 |
32031313031 has 6 divisors (see below), whose sum is σ = 32920423200. Its totient is φ = 31165600536.
The previous prime is 32031313019. The next prime is 32031313087. The reversal of 32031313031 is 13031313023.
It is a de Polignac number, because none of the positive numbers 2k-32031313031 is a prime.
It is a super-2 number, since 2×320313130312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32031312994 and 32031313012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32031313631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11697431 + ... + 11700168.
It is an arithmetic number, because the mean of its divisors is an integer number (5486737200).
Almost surely, 232031313031 is an apocalyptic number.
32031313031 is a deficient number, since it is larger than the sum of its proper divisors (889110169).
32031313031 is an equidigital number, since it uses as much as digits as its factorization.
32031313031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23397673 (or 23397636 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 32031313031 its reverse (13031313023), we get a palindrome (45062626054).
The spelling of 32031313031 in words is "thirty-two billion, thirty-one million, three hundred thirteen thousand, thirty-one".
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