Base | Representation |
---|---|
bin | 11101010010000111… |
… | …011001010000011001 |
3 | 10000011021111111202210 |
4 | 131102013121100121 |
5 | 1003343231104431 |
6 | 22240000345333 |
7 | 2162113224621 |
oct | 352207312031 |
9 | 100137444683 |
10 | 31442441241 |
11 | 12375490532 |
12 | 6116015249 |
13 | 2c71183623 |
14 | 1743c47881 |
15 | c405a3d46 |
hex | 7521d9419 |
31442441241 has 8 divisors (see below), whose sum is σ = 41927317344. Its totient is φ = 20959596320.
The previous prime is 31442441231. The next prime is 31442441243. The reversal of 31442441241 is 14214424413.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31442441241 - 213 = 31442433049 is a prime.
It is a super-2 number, since 2×314424412412 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31442441199 and 31442441208.
It is not an unprimeable number, because it can be changed into a prime (31442441243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471300 + ... + 533861.
It is an arithmetic number, because the mean of its divisors is an integer number (5240914668).
Almost surely, 231442441241 is an apocalyptic number.
It is an amenable number.
31442441241 is a deficient number, since it is larger than the sum of its proper divisors (10484876103).
31442441241 is a wasteful number, since it uses less digits than its factorization.
31442441241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1015591.
The product of its digits is 12288, while the sum is 30.
Adding to 31442441241 its reverse (14214424413), we get a palindrome (45656865654).
The spelling of 31442441241 in words is "thirty-one billion, four hundred forty-two million, four hundred forty-one thousand, two hundred forty-one".
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