Base | Representation |
---|---|
bin | 11101001100010001… |
… | …000010010010011110 |
3 | 2222220102211200120200 |
4 | 131030101002102132 |
5 | 1003143120232220 |
6 | 22222133124330 |
7 | 2156512125213 |
oct | 351421022236 |
9 | 88812750520 |
10 | 31344305310 |
11 | 1232505255a |
12 | 60a91896a6 |
13 | 2c56a43426 |
14 | 1734bbdb0a |
15 | c36b6b890 |
hex | 74c44249e |
31344305310 has 48 divisors (see below), whose sum is σ = 81881476560. Its totient is φ = 8318862720.
The previous prime is 31344305297. The next prime is 31344305323. The reversal of 31344305310 is 1350344313.
31344305310 is a `hidden beast` number, since 3 + 1 + 3 + 44 + 305 + 310 = 666.
It is an interprime number because it is at equal distance from previous prime (31344305297) and next prime (31344305323).
It is a super-2 number, since 2×313443053102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806295 + ... + 844274.
It is an arithmetic number, because the mean of its divisors is an integer number (1705864095).
Almost surely, 231344305310 is an apocalyptic number.
31344305310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31344305310 is an abundant number, since it is smaller than the sum of its proper divisors (50537171250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31344305310 is a wasteful number, since it uses less digits than its factorization.
31344305310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1650793 (or 1650790 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 31344305310 its reverse (1350344313), we get a palindrome (32694649623).
The spelling of 31344305310 in words is "thirty-one billion, three hundred forty-four million, three hundred five thousand, three hundred ten".
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