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431230512101 is a prime number
BaseRepresentation
bin1100100011001110101…
…01110110101111100101
31112020002012021202122012
412101213111312233211
524031130002341401
6530034330244005
743104202605464
oct6214725665745
91466065252565
10431230512101
1115697a422384
126b6aa286605
133188491b9bc
1416c2bc009db
15b33d5888bb
hex6467576be5

431230512101 has 2 divisors, whose sum is σ = 431230512102. Its totient is φ = 431230512100.

The previous prime is 431230512091. The next prime is 431230512107. The reversal of 431230512101 is 101215032134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299006644225 + 132223867876 = 546815^2 + 363626^2 .

It is a cyclic number.

It is not a de Polignac number, because 431230512101 - 210 = 431230511077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431230512107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215615256050 + 215615256051.

It is an arithmetic number, because the mean of its divisors is an integer number (215615256051).

Almost surely, 2431230512101 is an apocalyptic number.

It is an amenable number.

431230512101 is a deficient number, since it is larger than the sum of its proper divisors (1).

431230512101 is an equidigital number, since it uses as much as digits as its factorization.

431230512101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 431230512101 its reverse (101215032134), we get a palindrome (532445544235).

The spelling of 431230512101 in words is "four hundred thirty-one billion, two hundred thirty million, five hundred twelve thousand, one hundred one".