Base | Representation |
---|---|
bin | 11100111111011111… |
… | …100010011010101001 |
3 | 2222100111121000020021 |
4 | 130333133202122221 |
5 | 1002223240044423 |
6 | 22145000000441 |
7 | 2151300442366 |
oct | 347737423251 |
9 | 88314530207 |
10 | 31130003113 |
11 | 12225091100 |
12 | 6049460121 |
13 | 2c2151c2b1 |
14 | 171455746d |
15 | c22e3995d |
hex | 73f7e26a9 |
31130003113 has 12 divisors (see below), whose sum is σ = 34338223024. Its totient is φ = 28199971800.
The previous prime is 31130003083. The next prime is 31130003117.
31130003113 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 31130003113 - 25 = 31130003081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31130003117) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420303 + ... + 488788.
Almost surely, 231130003113 is an apocalyptic number.
It is an amenable number.
31130003113 is a deficient number, since it is larger than the sum of its proper divisors (3208219911).
31130003113 is a wasteful number, since it uses less digits than its factorization.
31130003113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909396 (or 909385 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 16.
It can be divided in two parts, 3113000 and 3113, that added together give a palindrome (3116113).
The spelling of 31130003113 in words is "thirty-one billion, one hundred thirty million, three thousand, one hundred thirteen".
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