Base | Representation |
---|---|
bin | 11100111110011111… |
… | …011111000011010010 |
3 | 2222022022222221022102 |
4 | 130332133133003102 |
5 | 1002204440241424 |
6 | 22143200040402 |
7 | 2151004640135 |
oct | 347637370322 |
9 | 88268887272 |
10 | 31113212114 |
11 | 12216662846 |
12 | 6043903102 |
13 | 2c1abc06aa |
14 | 171222621c |
15 | c2171e7ae |
hex | 73e7df0d2 |
31113212114 has 16 divisors (see below), whose sum is σ = 47567036160. Its totient is φ = 15257739120.
The previous prime is 31113212089. The next prime is 31113212131. The reversal of 31113212114 is 41121231113.
It is a super-3 number, since 3×311132121143 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261599 + ... + 361469.
It is an arithmetic number, because the mean of its divisors is an integer number (2972939760).
Almost surely, 231113212114 is an apocalyptic number.
31113212114 is a deficient number, since it is larger than the sum of its proper divisors (16453824046).
31113212114 is a wasteful number, since it uses less digits than its factorization.
31113212114 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102865.
The product of its digits is 144, while the sum is 20.
Adding to 31113212114 its reverse (41121231113), we get a palindrome (72234443227).
The spelling of 31113212114 in words is "thirty-one billion, one hundred thirteen million, two hundred twelve thousand, one hundred fourteen".
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