Base | Representation |
---|---|
bin | 11100111001001100… |
… | …010111001110001101 |
3 | 2222002010201101222010 |
4 | 130321030113032031 |
5 | 1002014211010404 |
6 | 22130302411433 |
7 | 2145545211540 |
oct | 347114271615 |
9 | 88063641863 |
10 | 31024313229 |
11 | 12180463798 |
12 | 6019b90b79 |
13 | 2c056659c0 |
14 | 17044c4857 |
15 | c18a0e189 |
hex | 73931738d |
31024313229 has 32 divisors (see below), whose sum is σ = 53591265280. Its totient is φ = 15503182272.
The previous prime is 31024313227. The next prime is 31024313279. The reversal of 31024313229 is 92231342013.
It is not a de Polignac number, because 31024313229 - 21 = 31024313227 is a prime.
It is a super-2 number, since 2×310243132292 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31024313196 and 31024313205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31024313227) 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 31 ways as a sum of consecutive naturals, for example, 2985397 + ... + 2995770.
It is an arithmetic number, because the mean of its divisors is an integer number (1674727040).
Almost surely, 231024313229 is an apocalyptic number.
31024313229 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
31024313229 is a deficient number, since it is larger than the sum of its proper divisors (22566952051).
31024313229 is a wasteful number, since it uses less digits than its factorization.
31024313229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5981209.
The product of its (nonzero) digits is 7776, while the sum is 30.
The spelling of 31024313229 in words is "thirty-one billion, twenty-four million, three hundred thirteen thousand, two hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •