Base | Representation |
---|---|
bin | 100111001001001… |
… | …0001110100011111 |
3 | 10101112102100212221 |
4 | 1032102101310133 |
5 | 10142213230211 |
6 | 334155010211 |
7 | 44355560410 |
oct | 11622216437 |
9 | 3345370787 |
10 | 1313414431 |
11 | 61442a77a |
12 | 307a39967 |
13 | 17c153a04 |
14 | c6613807 |
15 | 7a48ec71 |
hex | 4e491d1f |
1313414431 has 4 divisors (see below), whose sum is σ = 1501045072. Its totient is φ = 1125783792.
The previous prime is 1313414393. The next prime is 1313414449. The reversal of 1313414431 is 1344143131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1313414431 - 219 = 1312890143 is a prime.
It is a super-2 number, since 2×13134144312 = 3450114935118107522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1313414396 and 1313414405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313415431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93815310 + ... + 93815323.
It is an arithmetic number, because the mean of its divisors is an integer number (375261268).
Almost surely, 21313414431 is an apocalyptic number.
1313414431 is a deficient number, since it is larger than the sum of its proper divisors (187630641).
1313414431 is an equidigital number, since it uses as much as digits as its factorization.
1313414431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187630640.
The product of its digits is 1728, while the sum is 25.
The square root of 1313414431 is about 36241.0600148506. The cubic root of 1313414431 is about 1095.1339969322.
Adding to 1313414431 its reverse (1344143131), we get a palindrome (2657557562).
The spelling of 1313414431 in words is "one billion, three hundred thirteen million, four hundred fourteen thousand, four hundred thirty-one".
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