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13232023331 = 28147089051
BaseRepresentation
bin11000101001011000…
…01010011100100011
31021011011101102122012
430110230022130203
5204044344221311
610025000103135
7645621225332
oct142454123443
937134342565
1013232023331
11568014aa7a
122693464aab
13132b48bc07
148d74c5d19
155269d478b
hex314b0a723

13232023331 has 4 divisors (see below), whose sum is σ = 13279112664. Its totient is φ = 13184934000.

The previous prime is 13232023313. The next prime is 13232023367. The reversal of 13232023331 is 13332023231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13232023331 is a prime.

It is a super-2 number, since 2×132320233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13232023297 and 13232023306.

It is not an unprimeable number, because it can be changed into a prime (13232023381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23544245 + ... + 23544806.

It is an arithmetic number, because the mean of its divisors is an integer number (3319778166).

Almost surely, 213232023331 is an apocalyptic number.

13232023331 is a deficient number, since it is larger than the sum of its proper divisors (47089333).

13232023331 is an equidigital number, since it uses as much as digits as its factorization.

13232023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47089332.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13232023331 its reverse (13332023231), we get a palindrome (26564046562).

The spelling of 13232023331 in words is "thirteen billion, two hundred thirty-two million, twenty-three thousand, three hundred thirty-one".

Divisors: 1 281 47089051 13232023331