Base | Representation |
---|---|
bin | 111100101100001011… |
… | …0111010101000101111 |
3 | 110110102000120012002020 |
4 | 1321120112322220233 |
5 | 4113404320434411 |
6 | 135512354401223 |
7 | 12262506542004 |
oct | 1713026725057 |
9 | 413360505066 |
10 | 130331421231 |
11 | 50300764880 |
12 | 21313890213 |
13 | c3a075447b |
14 | 64454db8ab |
15 | 35cbecc606 |
hex | 1e585baa2f |
130331421231 has 32 divisors (see below), whose sum is σ = 199037088000. Its totient is φ = 75126670080.
The previous prime is 130331421223. The next prime is 130331421323. The reversal of 130331421231 is 132124133031.
It is not a de Polignac number, because 130331421231 - 23 = 130331421223 is a prime.
It is a super-2 number, since 2×1303314212312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130331421331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952206 + ... + 1080443.
It is an arithmetic number, because the mean of its divisors is an integer number (6219909000).
Almost surely, 2130331421231 is an apocalyptic number.
130331421231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
130331421231 is a deficient number, since it is larger than the sum of its proper divisors (68705666769).
130331421231 is a wasteful number, since it uses less digits than its factorization.
130331421231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2032759.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 130331421231 its reverse (132124133031), we get a palindrome (262455554262).
The spelling of 130331421231 in words is "one hundred thirty billion, three hundred thirty-one million, four hundred twenty-one thousand, two hundred thirty-one".
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