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5231254231 = 7747322033
BaseRepresentation
bin1001101111100111…
…01001101011010111
3111111120112020201201
410313303221223113
541203200113411
62223031533331
7243430633030
oct46763515327
914446466651
105231254231
1122449a7805
12101bb2a247
13654a39a08
14378a9ba87
152093d63c1
hex137ce9ad7

5231254231 has 4 divisors (see below), whose sum is σ = 5978576272. Its totient is φ = 4483932192.

The previous prime is 5231254181. The next prime is 5231254253. The reversal of 5231254231 is 1324521325.

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

It is a cyclic number.

It is not a de Polignac number, because 5231254231 - 27 = 5231254103 is a prime.

It is a super-2 number, since 2×52312542312 = 54732041658710802722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5231254231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231257231) 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, 373661010 + ... + 373661023.

It is an arithmetic number, because the mean of its divisors is an integer number (1494644068).

Almost surely, 25231254231 is an apocalyptic number.

5231254231 is a deficient number, since it is larger than the sum of its proper divisors (747322041).

5231254231 is an equidigital number, since it uses as much as digits as its factorization.

5231254231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747322040.

The product of its digits is 7200, while the sum is 28.

The square root of 5231254231 is about 72327.4099563921. The cubic root of 5231254231 is about 1735.9422589003.

Adding to 5231254231 its reverse (1324521325), we get a palindrome (6555775556).

The spelling of 5231254231 in words is "five billion, two hundred thirty-one million, two hundred fifty-four thousand, two hundred thirty-one".

Divisors: 1 7 747322033 5231254231