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13231321132 = 227094665487
BaseRepresentation
bin11000101001010010…
…11111000000101100
31021011010001202101211
430110221133000230
5204044204234012
610024533044204
7645612242161
oct142451370054
937133052354
1013231321132
11567a810447
122693186664
13132b2a4403
148d7382068
155268e66a7
hex314a5f02c

13231321132 has 12 divisors (see below), whose sum is σ = 23187475360. Its totient is φ = 6606328176.

The previous prime is 13231321123. The next prime is 13231321163. The reversal of 13231321132 is 23112313231.

It is a super-2 number, since 2×132313211322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329908 + ... + 2335579.

Almost surely, 213231321132 is an apocalyptic number.

It is an amenable number.

13231321132 is a deficient number, since it is larger than the sum of its proper divisors (9956154228).

13231321132 is a wasteful number, since it uses less digits than its factorization.

13231321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666200 (or 4666198 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 13231321132 its reverse (23112313231), we get a palindrome (36343634363).

The spelling of 13231321132 in words is "thirteen billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 709 1418 2836 4665487 9330974 18661948 3307830283 6615660566 13231321132