Base | Representation |
---|---|
bin | 11101001010111011… |
… | …111111001000001010 |
3 | 2222211212212222022222 |
4 | 131022323333020022 |
5 | 1003121413310442 |
6 | 22220015214042 |
7 | 2156121456524 |
oct | 351273771012 |
9 | 88755788288 |
10 | 31322010122 |
11 | 12313504887 |
12 | 60a1817322 |
13 | 2c52238400 |
14 | 1731c58a14 |
15 | c34c158d2 |
hex | 74aeff20a |
31322010122 has 24 divisors (see below), whose sum is σ = 51446779020. Its totient is φ = 14293868160.
The previous prime is 31322010103. The next prime is 31322010143. The reversal of 31322010122 is 22101022313.
It can be written as a sum of positive squares in 6 ways, for example, as 18139081 + 31303871041 = 4259^2 + 176929^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 31322010122.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490529 + ... + 550692.
Almost surely, 231322010122 is an apocalyptic number.
31322010122 is a deficient number, since it is larger than the sum of its proper divisors (20124768898).
31322010122 is a wasteful number, since it uses less digits than its factorization.
31322010122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1041338 (or 1041325 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 31322010122 its reverse (22101022313), we get a palindrome (53423032435).
The spelling of 31322010122 in words is "thirty-one billion, three hundred twenty-two million, ten thousand, one hundred twenty-two".
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