Base | Representation |
---|---|
bin | 11101001001101101… |
… | …000111000011100111 |
3 | 2222210102222110221220 |
4 | 131021231013003213 |
5 | 1003101120130343 |
6 | 22214000111423 |
7 | 2155450641156 |
oct | 351155070347 |
9 | 88712873856 |
10 | 31301333223 |
11 | 12302871a36 |
12 | 6096905573 |
13 | 2c4ab78b64 |
14 | 172d1d559d |
15 | c32ece183 |
hex | 749b470e7 |
31301333223 has 8 divisors (see below), whose sum is σ = 42863087088. Its totient is φ = 20303567424.
The previous prime is 31301333221. The next prime is 31301333263. The reversal of 31301333223 is 32233310313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31301333223 - 21 = 31301333221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31301333193 and 31301333202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31301333221) 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 7 ways as a sum of consecutive naturals, for example, 140996886 + ... + 140997107.
It is an arithmetic number, because the mean of its divisors is an integer number (5357885886).
Almost surely, 231301333223 is an apocalyptic number.
31301333223 is a deficient number, since it is larger than the sum of its proper divisors (11561753865).
31301333223 is a wasteful number, since it uses less digits than its factorization.
31301333223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281994033.
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 31301333223 its reverse (32233310313), we get a palindrome (63534643536).
The spelling of 31301333223 in words is "thirty-one billion, three hundred one million, three hundred thirty-three thousand, two hundred twenty-three".
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