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13231101033 = 33490040779
BaseRepresentation
bin11000101001010001…
…01001010001101001
31021011002122120111000
430110220221101221
5204044130213113
610024524225213
7645610334403
oct142450512151
937132576430
1013231101033
11567a680047
12269309b209
13132b228187
148d7325b73
155268a1373
hex314a29469

13231101033 has 8 divisors (see below), whose sum is σ = 19601631200. Its totient is φ = 8820734004.

The previous prime is 13231101011. The next prime is 13231101061. The reversal of 13231101033 is 33010113231.

It is a happy number.

It is not a de Polignac number, because 13231101033 - 213 = 13231092841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231100997 and 13231101015.

It is not an unprimeable number, because it can be changed into a prime (13231101733) 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, 245020363 + ... + 245020416.

It is an arithmetic number, because the mean of its divisors is an integer number (2450203900).

Almost surely, 213231101033 is an apocalyptic number.

It is an amenable number.

13231101033 is a deficient number, since it is larger than the sum of its proper divisors (6370530167).

13231101033 is an equidigital number, since it uses as much as digits as its factorization.

13231101033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490040788 (or 490040782 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13231101033 its reverse (33010113231), we get a palindrome (46241214264).

The spelling of 13231101033 in words is "thirteen billion, two hundred thirty-one million, one hundred one thousand, thirty-three".

Divisors: 1 3 9 27 490040779 1470122337 4410367011 13231101033