Base | Representation |
---|---|
bin | 1100110010000010… |
… | …1110100010110000 |
3 | 22212010021112022111 |
4 | 3030200232202300 |
5 | 24011332200222 |
6 | 1324245015104 |
7 | 151012064200 |
oct | 31440564260 |
9 | 8763245274 |
10 | 3431131312 |
11 | 1500869814 |
12 | 7b90b4494 |
13 | 428b05a1b |
14 | 247992400 |
15 | 151356777 |
hex | cc82e8b0 |
3431131312 has 60 divisors (see below), whose sum is σ = 7864351560. Its totient is φ = 1445541888.
The previous prime is 3431131309. The next prime is 3431131381. The reversal of 3431131312 is 2131311343.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 9168 + ... + 83344.
It is an arithmetic number, because the mean of its divisors is an integer number (131072526).
Almost surely, 23431131312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3431131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932175780).
3431131312 is an abundant number, since it is smaller than the sum of its proper divisors (4433220248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3431131312 is a wasteful number, since it uses less digits than its factorization.
3431131312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74258 (or 74245 counting only the distinct ones).
The product of its digits is 648, while the sum is 22.
The square root of 3431131312 is about 58575.8594644586. The cubic root of 3431131312 is about 1508.2700700903.
Adding to 3431131312 its reverse (2131311343), we get a palindrome (5562442655).
The spelling of 3431131312 in words is "three billion, four hundred thirty-one million, one hundred thirty-one thousand, three hundred twelve".
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