Base | Representation |
---|---|
bin | 10011010111101100100… |
… | …010011011100011111111 |
3 | 11201020211120121001101202 |
4 | 103113230202123203333 |
5 | 133302110003440411 |
6 | 2455301030330115 |
7 | 165112141506020 |
oct | 23275442334377 |
9 | 4636746531352 |
10 | 1331113343231 |
11 | 4735818644a1 |
12 | 195b8b1b993b |
13 | 986a60326c9 |
14 | 485d7806c47 |
15 | 2495a66d83b |
hex | 135ec89b8ff |
1331113343231 has 8 divisors (see below), whose sum is σ = 1521773329440. Its totient is φ = 1140578591328.
The previous prime is 1331113343221. The next prime is 1331113343257. The reversal of 1331113343231 is 1323433111331.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1331113343231 - 26 = 1331113343167 is a prime.
It is a super-2 number, since 2×13311133432312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1331113343194 and 1331113343203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331113343221) 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, 31285796 + ... + 31328313.
It is an arithmetic number, because the mean of its divisors is an integer number (190221666180).
Almost surely, 21331113343231 is an apocalyptic number.
1331113343231 is a deficient number, since it is larger than the sum of its proper divisors (190659986209).
1331113343231 is an equidigital number, since it uses as much as digits as its factorization.
1331113343231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62617153.
The product of its digits is 5832, while the sum is 29.
Adding to 1331113343231 its reverse (1323433111331), we get a palindrome (2654546454562).
The spelling of 1331113343231 in words is "one trillion, three hundred thirty-one billion, one hundred thirteen million, three hundred forty-three thousand, two hundred thirty-one".
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