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1301131 = 1327699
BaseRepresentation
bin100111101101010001011
32110002211001
410331222023
5313114011
643515431
714026246
oct4755213
92402731
101301131
11809617
12528b77
13367300
1425c25d
151aa7c1
hex13da8b

1301131 has 6 divisors (see below), whose sum is σ = 1409100. Its totient is φ = 1200888.

The previous prime is 1301123. The next prime is 1301147. The reversal of 1301131 is 1311031.

Adding to 1301131 its reverse (1311031), we get a palindrome (2612162).

It is not a de Polignac number, because 1301131 - 23 = 1301123 is a prime.

It is a super-2 number, since 2×13011312 = 3385883758322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3681 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (234850).

21301131 is an apocalyptic number.

1301131 is a deficient number, since it is larger than the sum of its proper divisors (107969).

1301131 is an equidigital number, since it uses as much as digits as its factorization.

1301131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1301131 is about 1140.6712935811. The cubic root of 1301131 is about 109.1709295255.

The spelling of 1301131 in words is "one million, three hundred one thousand, one hundred thirty-one".

Divisors: 1 13 169 7699 100087 1301131