Base | Representation |
---|---|
bin | 11100111110100100… |
… | …001000101000110000 |
3 | 2222022102021212100020 |
4 | 130332210020220300 |
5 | 1002210243243044 |
6 | 22143242123440 |
7 | 2151021204615 |
oct | 347644105060 |
9 | 88272255306 |
10 | 31114431024 |
11 | 12217315606 |
12 | 60441b0580 |
13 | 2c1b229441 |
14 | 171246250c |
15 | c218b0a19 |
hex | 73e908a30 |
31114431024 has 20 divisors (see below), whose sum is σ = 80378946936. Its totient is φ = 10371476992.
The previous prime is 31114430993. The next prime is 31114431113. The reversal of 31114431024 is 42013441113.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 31114430985 and 31114431003.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324108609 + ... + 324108704.
Almost surely, 231114431024 is an apocalyptic number.
It is an amenable number.
31114431024 is an abundant number, since it is smaller than the sum of its proper divisors (49264515912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31114431024 is a wasteful number, since it uses less digits than its factorization.
31114431024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 648217324 (or 648217318 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 31114431024 its reverse (42013441113), we get a palindrome (73127872137).
The spelling of 31114431024 in words is "thirty-one billion, one hundred fourteen million, four hundred thirty-one thousand, twenty-four".
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