Base | Representation |
---|---|
bin | 11101001011101011… |
… | …010010111110111111 |
3 | 2222212202020001211001 |
4 | 131023223102332333 |
5 | 1003133102142343 |
6 | 22221141111131 |
7 | 2156332052332 |
oct | 351353227677 |
9 | 88782201731 |
10 | 31334412223 |
11 | 1231a505754 |
12 | 60a59b84a7 |
13 | 2c5498b42a |
14 | 1733766619 |
15 | c35d6544d |
hex | 74bad2fbf |
31334412223 has 8 divisors (see below), whose sum is σ = 33949186128. Its totient is φ = 28805368704.
The previous prime is 31334412173. The next prime is 31334412269. The reversal of 31334412223 is 32221443313.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31334412223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31334412191 and 31334412200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31334412023) 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, 21431836 + ... + 21433297.
It is an arithmetic number, because the mean of its divisors is an integer number (4243648266).
Almost surely, 231334412223 is an apocalyptic number.
31334412223 is a deficient number, since it is larger than the sum of its proper divisors (2614773905).
31334412223 is a wasteful number, since it uses less digits than its factorization.
31334412223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42865193.
The product of its digits is 10368, while the sum is 28.
Adding to 31334412223 its reverse (32221443313), we get a palindrome (63555855536).
The spelling of 31334412223 in words is "thirty-one billion, three hundred thirty-four million, four hundred twelve thousand, two hundred twenty-three".
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