420410311 has 2 divisors, whose sum is σ = 420410312. Its totient is φ = 420410310.

The previous prime is 420410299. The next prime is 420410369. The reversal of 420410311 is 113014024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420410311 - 2¹⁵ = 420377543 is a prime.

It is a super-3 number, since 3×420410311³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420410381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210205155 + 210205156.

It is an arithmetic number, because the mean of its divisors is an integer number (210205156).

Almost surely, 2^420410311 is an apocalyptic number.

420410311 is a deficient number, since it is larger than the sum of its proper divisors (1).

420410311 is an equidigital number, since it uses as much as digits as its factorization.

420410311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 420410311 is about 20503.9096515762. The cubic root of 420410311 is about 749.1310297245.

Adding to 420410311 its reverse (113014024), we get a palindrome (533424335).

The spelling of 420410311 in words is "four hundred twenty million, four hundred ten thousand, three hundred eleven".