Base | Representation |
---|---|
bin | 1110001001100000101011… |
… | …10111101110000010000110 |
3 | 11002011101101010120120001200 |
4 | 13010300111313232002012 |
5 | 13034224122131121410 |
6 | 150101055422003330 |
7 | 6360563604426120 |
oct | 704602567560206 |
9 | 132141333516050 |
10 | 31113110020230 |
11 | 9a05aa5542307 |
12 | 35a5b19716546 |
13 | 1448c5232a834 |
14 | 797c4da5c210 |
15 | 38e4cb6b03c0 |
hex | 1c4c15dee086 |
31113110020230 has 96 divisors (see below), whose sum is σ = 95432654573568. Its totient is φ = 6882162580800.
The previous prime is 31113110020211. The next prime is 31113110020231. The reversal of 31113110020230 is 3202001131113.
31113110020230 is a `hidden beast` number, since 311 + 1 + 3 + 1 + 100 + 20 + 230 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31113110020231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796527066 + ... + 796566125.
It is an arithmetic number, because the mean of its divisors is an integer number (994090151808).
Almost surely, 231113110020230 is an apocalyptic number.
31113110020230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31113110020230 is an abundant number, since it is smaller than the sum of its proper divisors (64319544553338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31113110020230 is a wasteful number, since it uses less digits than its factorization.
31113110020230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1593093242 (or 1593093239 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 31113110020230 its reverse (3202001131113), we get a palindrome (34315111151343).
The spelling of 31113110020230 in words is "thirty-one trillion, one hundred thirteen billion, one hundred ten million, twenty thousand, two hundred thirty".
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