Base | Representation |
---|---|
bin | 100111001000011… |
… | …0110110000010111 |
3 | 10101111201102020010 |
4 | 1032100312300113 |
5 | 10142114311211 |
6 | 334143011303 |
7 | 44352445062 |
oct | 11620666027 |
9 | 3344642203 |
10 | 1313041431 |
11 | 6141a5509 |
12 | 307899b33 |
13 | 17c052cc0 |
14 | c65578d9 |
15 | 7a4194a6 |
hex | 4e436c17 |
1313041431 has 16 divisors (see below), whose sum is σ = 1886380160. Its totient is φ = 807602400.
The previous prime is 1313041403. The next prime is 1313041453. The reversal of 1313041431 is 1341403131.
It is not a de Polignac number, because 1313041431 - 29 = 1313040919 is a prime.
It is a super-2 number, since 2×13130414312 = 3448155599045055522, 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 = 1313041398 and 1313041407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313041231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77256 + ... + 92706.
It is an arithmetic number, because the mean of its divisors is an integer number (117898760).
Almost surely, 21313041431 is an apocalyptic number.
1313041431 is a deficient number, since it is larger than the sum of its proper divisors (573338729).
1313041431 is a wasteful number, since it uses less digits than its factorization.
1313041431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17646.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 1313041431 is about 36235.9135527173. The cubic root of 1313041431 is about 1095.0303171273.
Adding to 1313041431 its reverse (1341403131), we get a palindrome (2654444562).
The spelling of 1313041431 in words is "one billion, three hundred thirteen million, forty-one thousand, four hundred thirty-one".
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