Base | Representation |
---|---|
bin | 11101001001101001… |
… | …010101010011100010 |
3 | 2222210101010011122100 |
4 | 131021221111103202 |
5 | 1003100341434020 |
6 | 22213522551230 |
7 | 2155436345226 |
oct | 351151252342 |
9 | 88711104570 |
10 | 31300343010 |
11 | 12302255a82 |
12 | 6096508516 |
13 | 2c4a8c0231 |
14 | 172d018786 |
15 | c32d85a90 |
hex | 749a554e2 |
31300343010 has 48 divisors (see below), whose sum is σ = 81392443704. Its totient is φ = 8345573376.
The previous prime is 31300342981. The next prime is 31300343023. The reversal of 31300343010 is 1034300313.
31300343010 is a `hidden beast` number, since 31 + 300 + 34 + 301 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 29925194121 + 1375148889 = 172989^2 + 37083^2 .
It is a super-2 number, since 2×313003430102 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 745744 + ... + 786596.
Almost surely, 231300343010 is an apocalyptic number.
31300343010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31300343010 is an abundant number, since it is smaller than the sum of its proper divisors (50092100694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31300343010 is a wasteful number, since it uses less digits than its factorization.
31300343010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49379 (or 49376 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 31300343010 its reverse (1034300313), we get a palindrome (32334643323).
The spelling of 31300343010 in words is "thirty-one billion, three hundred million, three hundred forty-three thousand, ten".
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