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11311331001 = 329077129671
BaseRepresentation
bin10101000100011010…
…10011011010111001
31002012022021011002020
422202031103122321
5141131200043001
65110225025053
7550206504255
oct124215233271
932168234066
1011311331001
114884a51443
122238185189
1310b3591a89
14794393265
1546308a736
hex2a23536b9

11311331001 has 8 divisors (see below), whose sum is σ = 15082409664. Its totient is φ = 7540569840.

The previous prime is 11311330997. The next prime is 11311331039. The reversal of 11311331001 is 10013311311.

11311331001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11311331001 - 22 = 11311330997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311331081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22396 + ... + 152066.

It is an arithmetic number, because the mean of its divisors is an integer number (1885301208).

Almost surely, 211311331001 is an apocalyptic number.

It is an amenable number.

11311331001 is a deficient number, since it is larger than the sum of its proper divisors (3771078663).

11311331001 is a wasteful number, since it uses less digits than its factorization.

11311331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158751.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 11311331001 its reverse (10013311311), we get a palindrome (21324642312).

The spelling of 11311331001 in words is "eleven billion, three hundred eleven million, three hundred thirty-one thousand, one".

Divisors: 1 3 29077 87231 129671 389013 3770443667 11311331001