Base | Representation |
---|---|
bin | 11100111101110001… |
… | …010010110011001111 |
3 | 2222021111012202011020 |
4 | 130331301102303033 |
5 | 1002143340301221 |
6 | 22142044325223 |
7 | 2150500005405 |
oct | 347561226317 |
9 | 88244182136 |
10 | 31101103311 |
11 | 1220a842273 |
12 | 603b843813 |
13 | 2c18541015 |
14 | 1710793475 |
15 | c2062bac6 |
hex | 73dc52ccf |
31101103311 has 16 divisors (see below), whose sum is σ = 41942440800. Its totient is φ = 20497010688.
The previous prime is 31101103259. The next prime is 31101103321. The reversal of 31101103311 is 11330110113.
It is not a de Polignac number, because 31101103311 - 213 = 31101095119 is a prime.
It is a super-2 number, since 2×311011033112 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31101103321) 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, 1943535 + ... + 1959471.
It is an arithmetic number, because the mean of its divisors is an integer number (2621402550).
Almost surely, 231101103311 is an apocalyptic number.
31101103311 is a deficient number, since it is larger than the sum of its proper divisors (10841337489).
31101103311 is a wasteful number, since it uses less digits than its factorization.
31101103311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23338.
The product of its (nonzero) digits is 27, while the sum is 15.
Adding to 31101103311 its reverse (11330110113), we get a palindrome (42431213424).
The spelling of 31101103311 in words is "thirty-one billion, one hundred one million, one hundred three thousand, three hundred eleven".
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