Base | Representation |
---|---|
bin | 101111001011111001… |
… | …1001010100011111111 |
3 | 100200112221012011110220 |
4 | 1132113303022203333 |
5 | 3130011220120111 |
6 | 114314551232423 |
7 | 10215035313243 |
oct | 1362763124377 |
9 | 320487164426 |
10 | 101331020031 |
11 | 39a797a015a |
12 | 1777b678713 |
13 | 972b4b8a67 |
14 | 4c93b38423 |
15 | 2981005e06 |
hex | 1797cca8ff |
101331020031 has 8 divisors (see below), whose sum is σ = 135109983360. Its totient is φ = 67553035032.
The previous prime is 101331020017. The next prime is 101331020041. The reversal of 101331020031 is 130020133101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 101331020031 - 26 = 101331019967 is a prime.
It is a super-2 number, since 2×1013310200312 (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 (101331020041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46630 + ... + 452588.
It is an arithmetic number, because the mean of its divisors is an integer number (16888747920).
Almost surely, 2101331020031 is an apocalyptic number.
101331020031 is a deficient number, since it is larger than the sum of its proper divisors (33778963329).
101331020031 is an equidigital number, since it uses as much as digits as its factorization.
101331020031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 489165.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 101331020031 its reverse (130020133101), we get a palindrome (231351153132).
The spelling of 101331020031 in words is "one hundred one billion, three hundred thirty-one million, twenty thousand, thirty-one".
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