Base | Representation |
---|---|
bin | 11100111001000011… |
… | …100100111011110111 |
3 | 2222001222101101200011 |
4 | 130321003210323313 |
5 | 1002013113310403 |
6 | 22130141201051 |
7 | 2145516510100 |
oct | 347103447367 |
9 | 88058341604 |
10 | 31022010103 |
11 | 1217a130387 |
12 | 6019260187 |
13 | 2c0503a5c6 |
14 | 17040853a7 |
15 | c18706a6d |
hex | 7390e4ef7 |
31022010103 has 6 divisors (see below), whose sum is σ = 36086828136. Its totient is φ = 26590294332.
The previous prime is 31022010077. The next prime is 31022010121. The reversal of 31022010103 is 30101022013.
It is not a de Polignac number, because 31022010103 - 225 = 30988455671 is a prime.
It is a super-2 number, since 2×310220101032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31022010133) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316551075 + ... + 316551172.
It is an arithmetic number, because the mean of its divisors is an integer number (6014471356).
Almost surely, 231022010103 is an apocalyptic number.
31022010103 is a deficient number, since it is larger than the sum of its proper divisors (5064818033).
31022010103 is an equidigital number, since it uses as much as digits as its factorization.
31022010103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 633102261 (or 633102254 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 31022010103 its reverse (30101022013), we get a palindrome (61123032116).
The spelling of 31022010103 in words is "thirty-one billion, twenty-two million, ten thousand, one hundred three".
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