Base | Representation |
---|---|
bin | 100111001011010… |
… | …0000010100111111 |
3 | 10101121111122202222 |
4 | 1032112200110333 |
5 | 10143004204211 |
6 | 334234435555 |
7 | 44401153625 |
oct | 11626402477 |
9 | 3347448688 |
10 | 1314522431 |
11 | 615017182 |
12 | 308292bbb |
13 | 17c451131 |
14 | c6821515 |
15 | 7a60d1db |
hex | 4e5a053f |
1314522431 has 2 divisors, whose sum is σ = 1314522432. Its totient is φ = 1314522430.
The previous prime is 1314522409. The next prime is 1314522437. The reversal of 1314522431 is 1342254131.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1314522431 is a prime.
It is a super-2 number, since 2×13145224312 = 3455938443204299522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1314522431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1314522437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657261215 + 657261216.
It is an arithmetic number, because the mean of its divisors is an integer number (657261216).
Almost surely, 21314522431 is an apocalyptic number.
1314522431 is a deficient number, since it is larger than the sum of its proper divisors (1).
1314522431 is an equidigital number, since it uses as much as digits as its factorization.
1314522431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2880, while the sum is 26.
The square root of 1314522431 is about 36256.3433208590. The cubic root of 1314522431 is about 1095.4418630528.
Adding to 1314522431 its reverse (1342254131), we get a palindrome (2656776562).
The spelling of 1314522431 in words is "one billion, three hundred fourteen million, five hundred twenty-two thousand, four hundred thirty-one".
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