Base | Representation |
---|---|
bin | 11101001011100110… |
… | …101011100011010100 |
3 | 2222212122221120212212 |
4 | 131023212223203110 |
5 | 1003132244432012 |
6 | 22221055132552 |
7 | 2156315552351 |
oct | 351346534324 |
9 | 88778846785 |
10 | 31333202132 |
11 | 12319859581 |
12 | 60a5514158 |
13 | 2c546566bb |
14 | 173352d628 |
15 | c35bc6b22 |
hex | 74b9ab8d4 |
31333202132 has 6 divisors (see below), whose sum is σ = 54833103738. Its totient is φ = 15666601064.
The previous prime is 31333202113. The next prime is 31333202149. The reversal of 31333202132 is 23120233313.
It can be written as a sum of positive squares in only one way, i.e., 21105116176 + 10228085956 = 145276^2 + 101134^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31333202098 and 31333202107.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3916650263 + ... + 3916650270.
It is an arithmetic number, because the mean of its divisors is an integer number (9138850623).
Almost surely, 231333202132 is an apocalyptic number.
It is an amenable number.
31333202132 is a deficient number, since it is larger than the sum of its proper divisors (23499901606).
31333202132 is a wasteful number, since it uses less digits than its factorization.
31333202132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7833300537 (or 7833300535 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 31333202132 its reverse (23120233313), we get a palindrome (54453435445).
The spelling of 31333202132 in words is "thirty-one billion, three hundred thirty-three million, two hundred two thousand, one hundred thirty-two".
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