Base | Representation |
---|---|
bin | 1101101010000001110110… |
… | …00000011011100110011111 |
3 | 10221022222021222210012102021 |
4 | 12311000323000123212133 |
5 | 12414013302213134211 |
6 | 143512122454041011 |
7 | 6216461056143664 |
oct | 665007300334637 |
9 | 127288258705367 |
10 | 30031401302431 |
11 | 9629278133371 |
12 | 3450353649167 |
13 | 139ac44c1a889 |
14 | 75b755965a6b |
15 | 3712bb953771 |
hex | 1b503b01b99f |
30031401302431 has 4 divisors (see below), whose sum is σ = 31612001371000. Its totient is φ = 28450801233864.
The previous prime is 30031401302407. The next prime is 30031401302453. The reversal of 30031401302431 is 13420310413003.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30031401302431 - 213 = 30031401294239 is a prime.
It is a super-2 number, since 2×300314013024312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30031401302396 and 30031401302405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30031401302491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790300034256 + ... + 790300034293.
It is an arithmetic number, because the mean of its divisors is an integer number (7903000342750).
Almost surely, 230031401302431 is an apocalyptic number.
30031401302431 is a deficient number, since it is larger than the sum of its proper divisors (1580600068569).
30031401302431 is a wasteful number, since it uses less digits than its factorization.
30031401302431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1580600068568.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 30031401302431 its reverse (13420310413003), we get a palindrome (43451711715434).
The spelling of 30031401302431 in words is "thirty trillion, thirty-one billion, four hundred one million, three hundred two thousand, four hundred thirty-one".
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