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13113031332 = 2231092752611
BaseRepresentation
bin11000011011001100…
…01111101010100100
31020211212111000022010
430031212033222210
5203323414000312
610005105434220
7642644633022
oct141546175244
936755430263
1013113031332
115619a67585
12265b63b970
13130c928a4b
148c578d712
1551b32c93c
hex30d98faa4

13113031332 has 12 divisors (see below), whose sum is σ = 30597073136. Its totient is φ = 4371010440.

The previous prime is 13113031273. The next prime is 13113031333. The reversal of 13113031332 is 23313031131.

13113031332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13113031299 and 13113031308.

It is not an unprimeable number, because it can be changed into a prime (13113031333) 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 3 ways as a sum of consecutive naturals, for example, 546376294 + ... + 546376317.

Almost surely, 213113031332 is an apocalyptic number.

13113031332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13113031332 is an abundant number, since it is smaller than the sum of its proper divisors (17484041804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113031332 is a wasteful number, since it uses less digits than its factorization.

13113031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092752618 (or 1092752616 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13113031332 its reverse (23313031131), we get a palindrome (36426062463).

The spelling of 13113031332 in words is "thirteen billion, one hundred thirteen million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 1092752611 2185505222 3278257833 4371010444 6556515666 13113031332