421134313 has 2 divisors, whose sum is σ = 421134314. Its totient is φ = 421134312.

The previous prime is 421134293. The next prime is 421134341. The reversal of 421134313 is 313431124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344956329 + 76177984 = 18573^2 + 8728^2 .

It is a cyclic number.

It is not a de Polignac number, because 421134313 - 2¹⁷ = 421003241 is a prime.

It is not a weakly prime, because it can be changed into another prime (421134113) 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, 210567156 + 210567157.

It is an arithmetic number, because the mean of its divisors is an integer number (210567157).

Almost surely, 2^421134313 is an apocalyptic number.

It is an amenable number.

421134313 is a deficient number, since it is larger than the sum of its proper divisors (1).

421134313 is an equidigital number, since it uses as much as digits as its factorization.

421134313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 421134313 is about 20521.5572752167. The cubic root of 421134313 is about 749.5608172452.

Adding to 421134313 its reverse (313431124), we get a palindrome (734565437).

The spelling of 421134313 in words is "four hundred twenty-one million, one hundred thirty-four thousand, three hundred thirteen".