Base | Representation |
---|---|
bin | 111101001101010100… |
… | …0011110110100010011 |
3 | 110120021111210121101001 |
4 | 1322122220132310103 |
5 | 4123143442302011 |
6 | 140214554322431 |
7 | 12332200542412 |
oct | 1723250366423 |
9 | 416244717331 |
10 | 131443322131 |
11 | 50821368440 |
12 | 21584129417 |
13 | c519c10cb4 |
14 | 650d057479 |
15 | 36449147c1 |
hex | 1e9aa1ed13 |
131443322131 has 8 divisors (see below), whose sum is σ = 144812446128. Its totient is φ = 118310820000.
The previous prime is 131443322113. The next prime is 131443322149. The reversal of 131443322131 is 131223344131.
It is an interprime number because it is at equal distance from previous prime (131443322113) and next prime (131443322149).
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 131443322131 - 215 = 131443289363 is a prime.
It is a super-2 number, since 2×1314433221312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131443322131.
It is not an unprimeable number, because it can be changed into a prime (131443322531) 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, 59154300 + ... + 59156521.
It is an arithmetic number, because the mean of its divisors is an integer number (18101555766).
Almost surely, 2131443322131 is an apocalyptic number.
131443322131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
131443322131 is a deficient number, since it is larger than the sum of its proper divisors (13369123997).
131443322131 is a wasteful number, since it uses less digits than its factorization.
131443322131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118310933.
The product of its digits is 5184, while the sum is 28.
Adding to 131443322131 its reverse (131223344131), we get a palindrome (262666666262).
The spelling of 131443322131 in words is "one hundred thirty-one billion, four hundred forty-three million, three hundred twenty-two thousand, one hundred thirty-one".
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