Base | Representation |
---|---|
bin | 11100111111100111… |
… | …100101100010001001 |
3 | 2222100122120012111110 |
4 | 130333213211202021 |
5 | 1002224310104113 |
6 | 22145113120533 |
7 | 2151324410640 |
oct | 347747454211 |
9 | 88318505443 |
10 | 31132113033 |
11 | 122262a233a |
12 | 604a0b9149 |
13 | 2c21aaa778 |
14 | 1714946357 |
15 | c23204bc3 |
hex | 73f9e5889 |
31132113033 has 8 divisors (see below), whose sum is σ = 47439410368. Its totient is φ = 17789778864.
The previous prime is 31132113029. The next prime is 31132113053. The reversal of 31132113033 is 33031123113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31132113033 - 22 = 31132113029 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1482481573 = 31132113033 / (3 + 1 + 1 + 3 + 2 + 1 + 1 + 3 + 0 + 3 + 3).
It is not an unprimeable number, because it can be changed into a prime (31132113053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741240766 + ... + 741240807.
It is an arithmetic number, because the mean of its divisors is an integer number (5929926296).
Almost surely, 231132113033 is an apocalyptic number.
It is an amenable number.
31132113033 is a deficient number, since it is larger than the sum of its proper divisors (16307297335).
31132113033 is a wasteful number, since it uses less digits than its factorization.
31132113033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1482481583.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 31132113033 its reverse (33031123113), we get a palindrome (64163236146).
The spelling of 31132113033 in words is "thirty-one billion, one hundred thirty-two million, one hundred thirteen thousand, thirty-three".
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