Base | Representation |
---|---|
bin | 11100111000010110… |
… | …111010110000100101 |
3 | 2222001011100121120020 |
4 | 130320112322300211 |
5 | 1002002114144023 |
6 | 22125042225353 |
7 | 2145315140454 |
oct | 347026726045 |
9 | 88034317506 |
10 | 31010303013 |
11 | 121735646a8 |
12 | 6015355259 |
13 | 2c0279ba31 |
14 | 17026b8b9b |
15 | c17692de3 |
hex | 7385bac25 |
31010303013 has 8 divisors (see below), whose sum is σ = 41481752928. Its totient is φ = 20606194224.
The previous prime is 31010302969. The next prime is 31010303033. The reversal of 31010303013 is 31030301013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31010303013 - 234 = 13830433829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31010302983 and 31010303001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010303033) 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, 16834206 + ... + 16836047.
It is an arithmetic number, because the mean of its divisors is an integer number (5185219116).
Almost surely, 231010303013 is an apocalyptic number.
It is an amenable number.
31010303013 is a deficient number, since it is larger than the sum of its proper divisors (10471449915).
31010303013 is a wasteful number, since it uses less digits than its factorization.
31010303013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33670563.
The product of its (nonzero) digits is 81, while the sum is 15.
Adding to 31010303013 its reverse (31030301013), we get a palindrome (62040604026).
The spelling of 31010303013 in words is "thirty-one billion, ten million, three hundred three thousand, thirteen".
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