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1312441201 = 4152161441
BaseRepresentation
bin100111000111010…
…0100001101110001
310101110120220212101
41032032210031301
510141441104301
6334122100401
744344365121
oct11616441561
93343526771
101312441201
11613925555
1230764a701
1317bba2a36
14c643cc81
157a34b701
hex4e3a4371

1312441201 has 8 divisors (see below), whose sum is σ = 1347054408. Its totient is φ = 1277952000.

The previous prime is 1312441199. The next prime is 1312441217. The reversal of 1312441201 is 1021442131.

It can be written as a sum of positive squares in 4 ways, for example, as 2073600 + 1310367601 = 1440^2 + 36199^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1312441201 - 21 = 1312441199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312471201) 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, 9360 + ... + 52081.

It is an arithmetic number, because the mean of its divisors is an integer number (168381801).

Almost surely, 21312441201 is an apocalyptic number.

It is an amenable number.

1312441201 is a deficient number, since it is larger than the sum of its proper divisors (34613207).

1312441201 is an equidigital number, since it uses as much as digits as its factorization.

1312441201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62003.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1312441201 is about 36227.6303530882. The cubic root of 1312441201 is about 1094.8634348011.

Adding to 1312441201 its reverse (1021442131), we get a palindrome (2333883332).

The spelling of 1312441201 in words is "one billion, three hundred twelve million, four hundred forty-one thousand, two hundred one".

Divisors: 1 41 521 21361 61441 2519081 32010761 1312441201