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252204431431 is a prime number
BaseRepresentation
bin1110101011100010001…
…1100011100001000111
3220002222120010120112211
43222320203203201013
513113003313301211
6311510000124251
724135601203361
oct3527043434107
9802876116484
10252204431431
1197a60910207
1240a66906687
131aa239b25a4
14c2c74c3d31
15686160de21
hex3ab88e3847

252204431431 has 2 divisors, whose sum is σ = 252204431432. Its totient is φ = 252204431430.

The previous prime is 252204431429. The next prime is 252204431467. The reversal of 252204431431 is 134134402252.

252204431431 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 252204431431 - 21 = 252204431429 is a prime.

It is a super-2 number, since 2×2522044314312 (a number of 24 digits) contains 22 as substring.

Together with 252204431429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 252204431393 and 252204431402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252204401431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126102215715 + 126102215716.

It is an arithmetic number, because the mean of its divisors is an integer number (126102215716).

Almost surely, 2252204431431 is an apocalyptic number.

252204431431 is a deficient number, since it is larger than the sum of its proper divisors (1).

252204431431 is an equidigital number, since it uses as much as digits as its factorization.

252204431431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 252204431431 its reverse (134134402252), we get a palindrome (386338833683).

The spelling of 252204431431 in words is "two hundred fifty-two billion, two hundred four million, four hundred thirty-one thousand, four hundred thirty-one".