Base | Representation |
---|---|
bin | 1110010000001111010110… |
… | …10011100011110010100001 |
3 | 11002222111011211201102011211 |
4 | 13020013223103203302201 |
5 | 13102021133434211001 |
6 | 150355214514510121 |
7 | 6413360400103336 |
oct | 710075323436241 |
9 | 132874154642154 |
10 | 31344324132001 |
11 | 9a950649116a1 |
12 | 36228a6895341 |
13 | 14649ac40751a |
14 | 7a510550c98d |
15 | 395510135351 |
hex | 1c81eb4e3ca1 |
31344324132001 has 4 divisors (see below), whose sum is σ = 31481198910100. Its totient is φ = 31207449353904.
The previous prime is 31344324131999. The next prime is 31344324132013. The reversal of 31344324132001 is 10023142344313.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27529329985600 + 3814994146401 = 5246840^2 + 1953201^2 .
It is a cyclic number.
It is not a de Polignac number, because 31344324132001 - 21 = 31344324131999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31344324132061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68437388706 + ... + 68437389163.
It is an arithmetic number, because the mean of its divisors is an integer number (7870299727525).
Almost surely, 231344324132001 is an apocalyptic number.
It is an amenable number.
31344324132001 is a deficient number, since it is larger than the sum of its proper divisors (136874778099).
31344324132001 is a wasteful number, since it uses less digits than its factorization.
31344324132001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136874778098.
The product of its (nonzero) digits is 20736, while the sum is 31.
Adding to 31344324132001 its reverse (10023142344313), we get a palindrome (41367466476314).
The spelling of 31344324132001 in words is "thirty-one trillion, three hundred forty-four billion, three hundred twenty-four million, one hundred thirty-two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •