Base | Representation |
---|---|
bin | 11101001100010001… |
… | …100011011111011110 |
3 | 2222220110002121010201 |
4 | 131030101203133132 |
5 | 1003143134110220 |
6 | 22222140054114 |
7 | 2156513232550 |
oct | 351421433736 |
9 | 88813077121 |
10 | 31344441310 |
11 | 12325135756 |
12 | 60a923433a |
13 | 2c56a902c0 |
14 | 1734c174d0 |
15 | c36b96d0a |
hex | 74c4637de |
31344441310 has 128 divisors (see below), whose sum is σ = 71995392000. Its totient is φ = 9557775360.
The previous prime is 31344441281. The next prime is 31344441319. The reversal of 31344441310 is 1314444313.
It is a happy number.
It is a super-2 number, since 2×313444413102 (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 (31344441319) 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, 6739866 + ... + 6744514.
It is an arithmetic number, because the mean of its divisors is an integer number (562464000).
Almost surely, 231344441310 is an apocalyptic number.
31344441310 is an abundant number, since it is smaller than the sum of its proper divisors (40650950690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31344441310 is a wasteful number, since it uses less digits than its factorization.
31344441310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4946.
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 31344441310 its reverse (1314444313), we get a palindrome (32658885623).
It can be divided in two parts, 3134 and 4441310, that added together give a palindrome (4444444).
The spelling of 31344441310 in words is "thirty-one billion, three hundred forty-four million, four hundred forty-one thousand, three hundred ten".
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