Base | Representation |
---|---|
bin | 1110001100011101000010… |
… | …10101111011011001001111 |
3 | 11002112001101122121011122000 |
4 | 13012032201111323121033 |
5 | 13042403222430020421 |
6 | 150215342104323343 |
7 | 6401103552101235 |
oct | 706164125733117 |
9 | 132461348534560 |
10 | 31214234220111 |
11 | 9a44978511418 |
12 | 360163ba73553 |
13 | 1455649a11bb7 |
14 | 79cac411a955 |
15 | 391e49461226 |
hex | 1c63a157b64f |
31214234220111 has 16 divisors (see below), whose sum is σ = 46246039979520. Its totient is φ = 20808260969400.
The previous prime is 31214234220101. The next prime is 31214234220133. The reversal of 31214234220111 is 11102243241213.
31214234220111 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 423 + 4 + 220 + 1 + 11 = 666.
It is not a de Polignac number, because 31214234220111 - 210 = 31214234219087 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31214234220101) 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, 33659365 + ... + 34574286.
It is an arithmetic number, because the mean of its divisors is an integer number (2890377498720).
Almost surely, 231214234220111 is an apocalyptic number.
31214234220111 is a deficient number, since it is larger than the sum of its proper divisors (15031805759409).
31214234220111 is a wasteful number, since it uses less digits than its factorization.
31214234220111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68250603 (or 68250597 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
Adding to 31214234220111 its reverse (11102243241213), we get a palindrome (42316477461324).
The spelling of 31214234220111 in words is "thirty-one trillion, two hundred fourteen billion, two hundred thirty-four million, two hundred twenty thousand, one hundred eleven".
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