421351311 has 4 divisors (see below), whose sum is σ = 561801752. Its totient is φ = 280900872.

The previous prime is 421351297. The next prime is 421351321. The reversal of 421351311 is 113153124.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 421351311 - 2⁶ = 421351247 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 (421351321) 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 3 ways as a sum of consecutive naturals, for example, 70225216 + ... + 70225221.

It is an arithmetic number, because the mean of its divisors is an integer number (140450438).

Almost surely, 2^421351311 is an apocalyptic number.

421351311 is a deficient number, since it is larger than the sum of its proper divisors (140450441).

421351311 is a wasteful number, since it uses less digits than its factorization.

421351311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140450440.

The product of its digits is 360, while the sum is 21.

The square root of 421351311 is about 20526.8436687183. The cubic root of 421351311 is about 749.6895372794.

The spelling of 421351311 in words is "four hundred twenty-one million, three hundred fifty-one thousand, three hundred eleven".