Base | Representation |
---|---|
bin | 1011101010100110… |
… | …0000000001011100 |
3 | 22002020100200211100 |
4 | 2322221200001130 |
5 | 22403122104434 |
6 | 1234421353100 |
7 | 140412545211 |
oct | 27251400134 |
9 | 8066320740 |
10 | 3131441244 |
11 | 1367687178 |
12 | 734868790 |
13 | 3ab9b6019 |
14 | 219c5db08 |
15 | 134da9699 |
hex | baa6005c |
3131441244 has 18 divisors (see below), whose sum is σ = 7915587680. Its totient is φ = 1043813736.
The previous prime is 3131441219. The next prime is 3131441249. The reversal of 3131441244 is 4421441313.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-3 number, since 3×31314412443 (a number of 29 digits) contains 333 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131441249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43492204 + ... + 43492275.
Almost surely, 23131441244 is an apocalyptic number.
It is an amenable number.
3131441244 is an abundant number, since it is smaller than the sum of its proper divisors (4784146436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131441244 is a wasteful number, since it uses less digits than its factorization.
3131441244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86984489 (or 86984484 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
The square root of 3131441244 is about 55959.2820182675. The cubic root of 3131441244 is about 1463.0126763648.
Adding to 3131441244 its reverse (4421441313), we get a palindrome (7552882557).
The spelling of 3131441244 in words is "three billion, one hundred thirty-one million, four hundred forty-one thousand, two hundred forty-four".
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