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1324310131 = 2774780903
BaseRepresentation
bin100111011101111…
…0101111001110011
310102021220220222101
41032323311321303
510203010411011
6335224321231
744550310324
oct11673657163
93367826871
101324310131
1161a5a1891
1230b613217
1318149a181
14c7c4c44b
157b3e32c1
hex4eef5e73

1324310131 has 4 divisors (see below), whose sum is σ = 1329091312. Its totient is φ = 1319528952.

The previous prime is 1324310093. The next prime is 1324310159. The reversal of 1324310131 is 1310134231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310134231 = 7187162033.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1324310131 is a prime.

It is a super-2 number, since 2×13243101312 = 3507594646138474322, 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 = 1324310099 and 1324310108.

It is not an unprimeable number, because it can be changed into a prime (1324310161) 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, 2390175 + ... + 2390728.

It is an arithmetic number, because the mean of its divisors is an integer number (332272828).

Almost surely, 21324310131 is an apocalyptic number.

1324310131 is a deficient number, since it is larger than the sum of its proper divisors (4781181).

1324310131 is an equidigital number, since it uses as much as digits as its factorization.

1324310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781180.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1324310131 is about 36391.0721331483. The cubic root of 1324310131 is about 1098.1539645721.

Adding to 1324310131 its reverse (1310134231), we get a palindrome (2634444362).

The spelling of 1324310131 in words is "one billion, three hundred twenty-four million, three hundred ten thousand, one hundred thirty-one".

Divisors: 1 277 4780903 1324310131