Base | Representation |
---|---|
bin | 11100111001101010… |
… | …000100110010000110 |
3 | 2222002200101010011221 |
4 | 130321222010302012 |
5 | 1002023204231042 |
6 | 22131141350554 |
7 | 2146001341435 |
oct | 347152046206 |
9 | 88080333157 |
10 | 31032102022 |
11 | 121848a3609 |
12 | 602070845a |
13 | 2c07161c5c |
14 | 170555111c |
15 | c1954bd67 |
hex | 739a84c86 |
31032102022 has 32 divisors (see below), whose sum is σ = 50217062400. Its totient is φ = 14329830528.
The previous prime is 31032101999. The next prime is 31032102043. The reversal of 31032102022 is 22020123013.
It is a junction number, because it is equal to n+sod(n) for n = 31032101987 and 31032102005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402379 + ... + 473257.
It is an arithmetic number, because the mean of its divisors is an integer number (1569283200).
Almost surely, 231032102022 is an apocalyptic number.
31032102022 is a deficient number, since it is larger than the sum of its proper divisors (19184960378).
31032102022 is a wasteful number, since it uses less digits than its factorization.
31032102022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71140.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 31032102022 its reverse (22020123013), we get a palindrome (53052225035).
The spelling of 31032102022 in words is "thirty-one billion, thirty-two million, one hundred two thousand, twenty-two".
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