Base | Representation |
---|---|
bin | 1011101010100100… |
… | …0000011111111100 |
3 | 22002020010010201010 |
4 | 2322221000133330 |
5 | 22403103441444 |
6 | 1234414515220 |
7 | 140411466603 |
oct | 27251003774 |
9 | 8066103633 |
10 | 3131312124 |
11 | 13675a9166 |
12 | 734805b10 |
13 | 3ab96c315 |
14 | 219c28a3a |
15 | 134d812b9 |
hex | baa407fc |
3131312124 has 24 divisors (see below), whose sum is σ = 7350150528. Its totient is φ = 1037519920.
The previous prime is 3131312117. The next prime is 3131312131. The reversal of 3131312124 is 4212131313.
It is an interprime number because it is at equal distance from previous prime (3131312117) and next prime (3131312131).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 3131312124.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779262 + ... + 783269.
It is an arithmetic number, because the mean of its divisors is an integer number (306256272).
Almost surely, 23131312124 is an apocalyptic number.
It is an amenable number.
3131312124 is an abundant number, since it is smaller than the sum of its proper divisors (4218838404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131312124 is a wasteful number, since it uses less digits than its factorization.
3131312124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1562705 (or 1562703 counting only the distinct ones).
The product of its digits is 432, while the sum is 21.
The square root of 3131312124 is about 55958.1283103715. The cubic root of 3131312124 is about 1462.9925677547.
Adding to 3131312124 its reverse (4212131313), we get a palindrome (7343443437).
The spelling of 3131312124 in words is "three billion, one hundred thirty-one million, three hundred twelve thousand, one hundred twenty-four".
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