Base | Representation |
---|---|
bin | 11100111110011110… |
… | …101011100010001101 |
3 | 2222022022121012212010 |
4 | 130332132223202031 |
5 | 1002204412013401 |
6 | 22143151331433 |
7 | 2151003101010 |
oct | 347636534215 |
9 | 88268535763 |
10 | 31113001101 |
11 | 12216529256 |
12 | 6043820b79 |
13 | 2c1ab48630 |
14 | 17121ad377 |
15 | c216cbed6 |
hex | 73e7ab88d |
31113001101 has 64 divisors (see below), whose sum is σ = 51499768320. Its totient is φ = 16269603840.
The previous prime is 31113001097. The next prime is 31113001111. The reversal of 31113001101 is 10110031113.
It is not a de Polignac number, because 31113001101 - 22 = 31113001097 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31113001111) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21771855 + ... + 21773283.
It is an arithmetic number, because the mean of its divisors is an integer number (804683880).
Almost surely, 231113001101 is an apocalyptic number.
It is an amenable number.
31113001101 is a deficient number, since it is larger than the sum of its proper divisors (20386767219).
31113001101 is a wasteful number, since it uses less digits than its factorization.
31113001101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2086.
The product of its (nonzero) digits is 9, while the sum is 12.
Adding to 31113001101 its reverse (10110031113), we get a palindrome (41223032214).
The spelling of 31113001101 in words is "thirty-one billion, one hundred thirteen million, one thousand, one hundred one".
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