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1001131301 = 2934521769
BaseRepresentation
bin111011101011000…
…000110100100101
32120202210201222002
4323223000310211
54022242200201
6243201415045
733544322102
oct7353006445
92522721862
101001131301
11474126845
1223b33a485
1312c5450b1
1496d63aa9
155cd5676b
hex3bac0d25

1001131301 has 4 divisors (see below), whose sum is σ = 1035653100. Its totient is φ = 966609504.

The previous prime is 1001131283. The next prime is 1001131357. The reversal of 1001131301 is 1031311001.

It is a happy number.

1001131301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 484660225 + 516471076 = 22015^2 + 22726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1001131301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001131361) 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, 17260856 + ... + 17260913.

It is an arithmetic number, because the mean of its divisors is an integer number (258913275).

Almost surely, 21001131301 is an apocalyptic number.

It is an amenable number.

1001131301 is a deficient number, since it is larger than the sum of its proper divisors (34521799).

1001131301 is an equidigital number, since it uses as much as digits as its factorization.

1001131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34521798.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1001131301 is about 31640.6589849200. The cubic root of 1001131301 is about 1000.3769582180.

Adding to 1001131301 its reverse (1031311001), we get a palindrome (2032442302).

The spelling of 1001131301 in words is "one billion, one million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 29 34521769 1001131301