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13531201323 = 3172311535551
BaseRepresentation
bin11001001101000010…
…11011111100101011
31021221000100020200120
430212201123330223
5210202441420243
610114404334323
7656213212353
oct144641337453
937830306616
1013531201323
115814012912
1227576a43a3
13137845c803
14925123b63
15542dcec83
hex32685bf2b

13531201323 has 16 divisors (see below), whose sum is σ = 19933433856. Its totient is φ = 8121027200.

The previous prime is 13531201261. The next prime is 13531201331. The reversal of 13531201323 is 32310213531.

Adding to 13531201323 its reverse (32310213531), we get a palindrome (45841414854).

It is a cyclic number.

It is not a de Polignac number, because 13531201323 - 210 = 13531200299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13531201293 and 13531201302.

It is not an unprimeable number, because it can be changed into a prime (13531201393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5766603 + ... + 5768948.

It is an arithmetic number, because the mean of its divisors is an integer number (1245839616).

Almost surely, 213531201323 is an apocalyptic number.

13531201323 is a deficient number, since it is larger than the sum of its proper divisors (6402232533).

13531201323 is a wasteful number, since it uses less digits than its factorization.

13531201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535594.

The product of its (nonzero) digits is 1620, while the sum is 24.

The spelling of 13531201323 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, three hundred twenty-three".

Divisors: 1 3 17 23 51 69 391 1173 11535551 34606653 196104367 265317673 588313101 795953019 4510400441 13531201323