420212311 has 8 divisors (see below), whose sum is σ = 422100000. Its totient is φ = 418329600.

The previous prime is 420212281. The next prime is 420212327. The reversal of 420212311 is 113212024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420212311 - 2⁵ = 420212279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420212371) 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 in 7 ways as a sum of consecutive naturals, for example, 335815 + ... + 337063.

It is an arithmetic number, because the mean of its divisors is an integer number (52762500).

Almost surely, 2^420212311 is an apocalyptic number.

420212311 is a deficient number, since it is larger than the sum of its proper divisors (1887689).

420212311 is a wasteful number, since it uses less digits than its factorization.

420212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489.

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

The square root of 420212311 is about 20499.0807354867. The cubic root of 420212311 is about 749.0134055591.

Adding to 420212311 its reverse (113212024), we get a palindrome (533424335).

The spelling of 420212311 in words is "four hundred twenty million, two hundred twelve thousand, three hundred eleven".