Base | Representation |
---|---|
bin | 11100111001000111… |
… | …110010001110010110 |
3 | 2222002001110102201021 |
4 | 130321013302032112 |
5 | 1002013404104420 |
6 | 22130220551354 |
7 | 2145532052623 |
oct | 347107621626 |
9 | 88061412637 |
10 | 31023113110 |
11 | 1217a814060 |
12 | 60196b255a |
13 | 2c05335682 |
14 | 170429134a |
15 | c188737aa |
hex | 7391f2396 |
31023113110 has 32 divisors (see below), whose sum is σ = 60933060000. Its totient is φ = 11278364160.
The previous prime is 31023113081. The next prime is 31023113131. The reversal of 31023113110 is 1131132013.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445966 + ... + 510814.
It is an arithmetic number, because the mean of its divisors is an integer number (1904158125).
Almost surely, 231023113110 is an apocalyptic number.
31023113110 is a deficient number, since it is larger than the sum of its proper divisors (29909946890).
31023113110 is a wasteful number, since it uses less digits than its factorization.
31023113110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69216.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 31023113110 its reverse (1131132013), we get a palindrome (32154245123).
The spelling of 31023113110 in words is "thirty-one billion, twenty-three million, one hundred thirteen thousand, one hundred ten".
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