Base | Representation |
---|---|
bin | 1110001101000000100110… |
… | …00100011010110111000101 |
3 | 11002120212122220211001100101 |
4 | 13012200103010122313011 |
5 | 13043211320424232323 |
6 | 150232220132044101 |
7 | 6402350560316260 |
oct | 706402304326705 |
9 | 132525586731311 |
10 | 31233322102213 |
11 | 9a51a830917a0 |
12 | 3605288463631 |
13 | 145739c43c5aa |
14 | 79d9b520dcd7 |
15 | 3926b50a9dad |
hex | 1c681311adc5 |
31233322102213 has 16 divisors (see below), whose sum is σ = 38953144419840. Its totient is φ = 24329591910000.
The previous prime is 31233322102201. The next prime is 31233322102231. The reversal of 31233322102213 is 31220122333213.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 31233322102213 - 225 = 31233288547781 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31233322102273) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66946663 + ... + 67411588.
It is an arithmetic number, because the mean of its divisors is an integer number (2434571526240).
Almost surely, 231233322102213 is an apocalyptic number.
It is an amenable number.
31233322102213 is a deficient number, since it is larger than the sum of its proper divisors (7719822317627).
31233322102213 is a wasteful number, since it uses less digits than its factorization.
31233322102213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134361288.
The product of its (nonzero) digits is 7776, while the sum is 28.
Adding to 31233322102213 its reverse (31220122333213), we get a palindrome (62453444435426).
The spelling of 31233322102213 in words is "thirty-one trillion, two hundred thirty-three billion, three hundred twenty-two million, one hundred two thousand, two hundred thirteen".
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