421342311 has 16 divisors (see below), whose sum is σ = 614925920. Its totient is φ = 255035520.

The previous prime is 421342303. The next prime is 421342333. The reversal of 421342311 is 113243124.

It is not a de Polignac number, because 421342311 - 2³ = 421342303 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 (421342391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86176 + ... + 90933.

It is an arithmetic number, because the mean of its divisors is an integer number (38432870).

Almost surely, 2^421342311 is an apocalyptic number.

421342311 is a deficient number, since it is larger than the sum of its proper divisors (193583609).

421342311 is a wasteful number, since it uses less digits than its factorization.

421342311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177186.

The product of its digits is 576, while the sum is 21.

The square root of 421342311 is about 20526.6244424162. The cubic root of 421342311 is about 749.6841994898.

Adding to 421342311 its reverse (113243124), we get a palindrome (534585435).

The spelling of 421342311 in words is "four hundred twenty-one million, three hundred forty-two thousand, three hundred eleven".