Base | Representation |
---|---|
bin | 11100111101110010… |
… | …000110000001001110 |
3 | 2222021111121101221021 |
4 | 130331302012001032 |
5 | 1002143414004402 |
6 | 22142053024354 |
7 | 2150501541136 |
oct | 347562060116 |
9 | 88244541837 |
10 | 31101313102 |
11 | 1220a975952 |
12 | 603b9250ba |
13 | 2c185b5662 |
14 | 1710809ac6 |
15 | c2066dd37 |
hex | 73dc8604e |
31101313102 has 16 divisors (see below), whose sum is σ = 50447188800. Its totient is φ = 14324508928.
The previous prime is 31101313099. The next prime is 31101313109. The reversal of 31101313102 is 20131310113.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31101313109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9729727 + ... + 9732922.
It is an arithmetic number, because the mean of its divisors is an integer number (3152949300).
Almost surely, 231101313102 is an apocalyptic number.
31101313102 is a deficient number, since it is larger than the sum of its proper divisors (19345875698).
31101313102 is a wasteful number, since it uses less digits than its factorization.
31101313102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19462715.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 31101313102 its reverse (20131310113), we get a palindrome (51232623215).
The spelling of 31101313102 in words is "thirty-one billion, one hundred one million, three hundred thirteen thousand, one hundred two".
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