Base | Representation |
---|---|
bin | 1111101010100… |
… | …11000101010111 |
3 | 100011021102210122 |
4 | 13311103011113 |
5 | 232120143221 |
6 | 21012342155 |
7 | 3153662162 |
oct | 765230527 |
9 | 304242718 |
10 | 131412311 |
11 | 681a7018 |
12 | 3801495b |
13 | 212c1584 |
14 | 1364aad9 |
15 | b80beab |
hex | 7d53157 |
131412311 has 8 divisors (see below), whose sum is σ = 136125120. Its totient is φ = 126711648.
The previous prime is 131412301. The next prime is 131412373. The reversal of 131412311 is 113214131.
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 131412311 - 26 = 131412247 is a prime.
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 131412311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131412301) 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, 22850 + ... + 28016.
It is an arithmetic number, because the mean of its divisors is an integer number (17015640).
Almost surely, 2131412311 is an apocalyptic number.
131412311 is a deficient number, since it is larger than the sum of its proper divisors (4712809).
131412311 is an equidigital number, since it uses as much as digits as its factorization.
131412311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6073.
The product of its digits is 72, while the sum is 17.
The square root of 131412311 is about 11463.5208814744. The cubic root of 131412311 is about 508.4075807581.
Adding to 131412311 its reverse (113214131), we get a palindrome (244626442).
The spelling of 131412311 in words is "one hundred thirty-one million, four hundred twelve thousand, three hundred eleven".
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