Base | Representation |
---|---|
bin | 1101011101110001101… |
… | …0100000011111011000 |
3 | 211010002212110201010112 |
4 | 3113130122200133120 |
5 | 12242231241444112 |
6 | 254134434303452 |
7 | 22466413532156 |
oct | 3273432403730 |
9 | 733085421115 |
10 | 231331203032 |
11 | 8a11a484826 |
12 | 38a00427b88 |
13 | 18a78425977 |
14 | b2a72503d6 |
15 | 603dda3a22 |
hex | 35dc6a07d8 |
231331203032 has 64 divisors (see below), whose sum is σ = 457963545600. Its totient is φ = 109400008320.
The previous prime is 231331203031. The next prime is 231331203067. The reversal of 231331203032 is 230302133132.
It is a junction number, because it is equal to n+sod(n) for n = 231331202989 and 231331203007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231331203031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485643 + ... + 2577029.
It is an arithmetic number, because the mean of its divisors is an integer number (7155680400).
Almost surely, 2231331203032 is an apocalyptic number.
It is an amenable number.
231331203032 is a deficient number, since it is larger than the sum of its proper divisors (226632342568).
231331203032 is a wasteful number, since it uses less digits than its factorization.
231331203032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91656 (or 91652 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 231331203032 its reverse (230302133132), we get a palindrome (461633336164).
The spelling of 231331203032 in words is "two hundred thirty-one billion, three hundred thirty-one million, two hundred three thousand, thirty-two".
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