Base | Representation |
---|---|
bin | 11100111000010111… |
… | …011000000110110111 |
3 | 2222001011120201110110 |
4 | 130320113120012313 |
5 | 1002002132020343 |
6 | 22125044554103 |
7 | 2145316151103 |
oct | 347027300667 |
9 | 88034521413 |
10 | 31010423223 |
11 | 12173636a4a |
12 | 60153b2933 |
13 | 2c02811670 |
14 | 170270a903 |
15 | c176b8833 |
hex | 7385d81b7 |
31010423223 has 16 divisors (see below), whose sum is σ = 45964169216. Its totient is φ = 18467745120.
The previous prime is 31010423207. The next prime is 31010423251. The reversal of 31010423223 is 32232401013.
It is not a de Polignac number, because 31010423223 - 24 = 31010423207 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31010423223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010423263) 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 15 ways as a sum of consecutive naturals, for example, 12823615 + ... + 12826032.
It is an arithmetic number, because the mean of its divisors is an integer number (2872760576).
Almost surely, 231010423223 is an apocalyptic number.
31010423223 is a deficient number, since it is larger than the sum of its proper divisors (14953745993).
31010423223 is a wasteful number, since it uses less digits than its factorization.
31010423223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25649694.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 31010423223 its reverse (32232401013), we get a palindrome (63242824236).
The spelling of 31010423223 in words is "thirty-one billion, ten million, four hundred twenty-three thousand, two hundred twenty-three".
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