Base | Representation |
---|---|
bin | 1011101010100001… |
… | …0110101110100111 |
3 | 22002012210110000100 |
4 | 2322220112232213 |
5 | 22403033003111 |
6 | 1234411115143 |
7 | 140410155024 |
oct | 27250265647 |
9 | 8065713010 |
10 | 3131141031 |
11 | 13674a1667 |
12 | 734742ab3 |
13 | 3ab90c495 |
14 | 219bc254b |
15 | 134d4a756 |
hex | baa16ba7 |
3131141031 has 6 divisors (see below), whose sum is σ = 4522759280. Its totient is φ = 2087427348.
The previous prime is 3131141029. The next prime is 3131141047. The reversal of 3131141031 is 1301411313.
It is not a de Polignac number, because 3131141031 - 21 = 3131141029 is a prime.
It is a super-2 number, since 2×31311410312 = 19608088312023485922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3131140995 and 3131141013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131141011) 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, 173952271 + ... + 173952288.
Almost surely, 23131141031 is an apocalyptic number.
3131141031 is a deficient number, since it is larger than the sum of its proper divisors (1391618249).
3131141031 is a wasteful number, since it uses less digits than its factorization.
3131141031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347904565 (or 347904562 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 3131141031 is about 55956.5995303503. The cubic root of 3131141031 is about 1462.9659215931.
Adding to 3131141031 its reverse (1301411313), we get a palindrome (4432552344).
The spelling of 3131141031 in words is "three billion, one hundred thirty-one million, one hundred forty-one thousand, thirty-one".
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