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13531130211 = 342711056047
BaseRepresentation
bin11001001101000010…
…01010100101100011
31021221000012122010210
430212201022211203
5210202432131321
610114403025203
7656212465134
oct144641124543
937830178123
1013531130211
115813a74445
12275766b203
131378436331
14925105c8b
15542db8b76
hex32684a963

13531130211 has 8 divisors (see below), whose sum is σ = 18045748224. Its totient is φ = 9018632840.

The previous prime is 13531130209. The next prime is 13531130233. The reversal of 13531130211 is 11203113531.

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 13531130211 - 21 = 13531130209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531130281) 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, 515211 + ... + 540836.

It is an arithmetic number, because the mean of its divisors is an integer number (2255718528).

Almost surely, 213531130211 is an apocalyptic number.

13531130211 is a deficient number, since it is larger than the sum of its proper divisors (4514618013).

13531130211 is a wasteful number, since it uses less digits than its factorization.

13531130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060321.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 13531130211 its reverse (11203113531), we get a palindrome (24734243742).

The spelling of 13531130211 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty thousand, two hundred eleven".

Divisors: 1 3 4271 12813 1056047 3168141 4510376737 13531130211