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1311324441 = 3762444021
BaseRepresentation
bin100111000101001…
…0011100100011001
310101101111011221220
41032022103210121
510141144340231
6334042122253
744332034220
oct11612234431
93341434856
101311324441
11613232509
123071b0389
1317b8a162b
14c622bcb7
157a1ca896
hex4e293919

1311324441 has 8 divisors (see below), whose sum is σ = 1998208704. Its totient is φ = 749328240.

The previous prime is 1311324419. The next prime is 1311324457. The reversal of 1311324441 is 1444231131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311324441 - 25 = 1311324409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1311324401) 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, 31221990 + ... + 31222031.

It is an arithmetic number, because the mean of its divisors is an integer number (249776088).

Almost surely, 21311324441 is an apocalyptic number.

It is an amenable number.

1311324441 is a deficient number, since it is larger than the sum of its proper divisors (686884263).

1311324441 is an equidigital number, since it uses as much as digits as its factorization.

1311324441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62444031.

The product of its digits is 1152, while the sum is 24.

The square root of 1311324441 is about 36212.2139753979. The cubic root of 1311324441 is about 1094.5528058622.

Adding to 1311324441 its reverse (1444231131), we get a palindrome (2755555572).

The spelling of 1311324441 in words is "one billion, three hundred eleven million, three hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 3 7 21 62444021 187332063 437108147 1311324441