Base | Representation |
---|---|
bin | 11100111000111111… |
… | …110110101000010011 |
3 | 2222001220112210201022 |
4 | 130320333312220103 |
5 | 1002012341042003 |
6 | 22130104230055 |
7 | 2145505303241 |
oct | 347077665023 |
9 | 88056483638 |
10 | 31021034003 |
11 | 12179623a93 |
12 | 6018a6b32b |
13 | 2c04a8822b |
14 | 1703cad791 |
15 | c185b2738 |
hex | 738ff6a13 |
31021034003 has 8 divisors (see below), whose sum is σ = 31111516128. Its totient is φ = 30930591744.
The previous prime is 31021033997. The next prime is 31021034017. The reversal of 31021034003 is 30043012013.
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 not a de Polignac number, because 31021034003 - 210 = 31021032979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31021034203) 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, 2323475 + ... + 2336787.
It is an arithmetic number, because the mean of its divisors is an integer number (3888939516).
Almost surely, 231021034003 is an apocalyptic number.
31021034003 is a deficient number, since it is larger than the sum of its proper divisors (90482125).
31021034003 is a wasteful number, since it uses less digits than its factorization.
31021034003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19933.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31021034003 its reverse (30043012013), we get a palindrome (61064046016).
The spelling of 31021034003 in words is "thirty-one billion, twenty-one million, thirty-four thousand, three".
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