Base | Representation |
---|---|
bin | 1110001100011110001010… |
… | …10110011110011010110101 |
3 | 11002112002221202100210220202 |
4 | 13012033011112132122311 |
5 | 13042410442103441344 |
6 | 150215522045010245 |
7 | 6401124536052413 |
oct | 706170526363265 |
9 | 132462852323822 |
10 | 31214838343349 |
11 | 9a45158526121 |
12 | 360178a253985 |
13 | 1455714c2247b |
14 | 79cb404582b3 |
15 | 391e824e594e |
hex | 1c63c559e6b5 |
31214838343349 has 16 divisors (see below), whose sum is σ = 32021308661760. Its totient is φ = 30414593197440.
The previous prime is 31214838343303. The next prime is 31214838343363. The reversal of 31214838343349 is 94334383841213.
It is a cyclic number.
It is not a de Polignac number, because 31214838343349 - 212 = 31214838339253 is a prime.
It is a super-2 number, since 2×312148383433492 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31214838343294 and 31214838343303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31214838343379) 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, 8135897 + ... + 11341185.
It is an arithmetic number, because the mean of its divisors is an integer number (2001331791360).
Almost surely, 231214838343349 is an apocalyptic number.
It is an amenable number.
31214838343349 is a deficient number, since it is larger than the sum of its proper divisors (806470318411).
31214838343349 is a wasteful number, since it uses less digits than its factorization.
31214838343349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3206260.
The product of its digits is 17915904, while the sum is 56.
The spelling of 31214838343349 in words is "thirty-one trillion, two hundred fourteen billion, eight hundred thirty-eight million, three hundred forty-three thousand, three hundred forty-nine".
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