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52316431 is a prime number
BaseRepresentation
bin1100011110010…
…0100100001111
310122102221122121
43013210210033
5101343111211
65105153411
71203453016
oct307444417
9118387577
1052316431
1127593122
121562b867
13aab988b
146d3ba7d
1548d6271
hex31e490f

52316431 has 2 divisors, whose sum is σ = 52316432. Its totient is φ = 52316430.

The previous prime is 52316419. The next prime is 52316471. The reversal of 52316431 is 13461325.

52316431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52316431 - 213 = 52308239 is a prime.

It is a super-2 number, since 2×523164312 = 5474017905155522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52316396 and 52316405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52316471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26158215 + 26158216.

It is an arithmetic number, because the mean of its divisors is an integer number (26158216).

Almost surely, 252316431 is an apocalyptic number.

52316431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52316431 is an equidigital number, since it uses as much as digits as its factorization.

52316431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 52316431 is about 7233.0098161139. The cubic root of 52316431 is about 374.0066891385.

Adding to 52316431 its reverse (13461325), we get a palindrome (65777756).

The spelling of 52316431 in words is "fifty-two million, three hundred sixteen thousand, four hundred thirty-one".