1421341311 has 8 divisors (see below), whose sum is σ = 2040900400. Its totient is φ = 874671552.

The previous prime is 1421341267. The next prime is 1421341409. The reversal of 1421341311 is 1131431241.

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

It is not a de Polignac number, because 1421341311 - 2⁹ = 1421340799 is a prime.

It is a super-2 number, since 2×1421341311² = 4040422244710397442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421341111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18222286 + ... + 18222363.

It is an arithmetic number, because the mean of its divisors is an integer number (255112550).

Almost surely, 2^1421341311 is an apocalyptic number.

1421341311 is a deficient number, since it is larger than the sum of its proper divisors (619559089).

1421341311 is a wasteful number, since it uses less digits than its factorization.

1421341311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36444665.

The product of its digits is 288, while the sum is 21.

The square root of 1421341311 is about 37700.6805110995. The cubic root of 1421341311 is about 1124.3446549587.

Adding to 1421341311 its reverse (1131431241), we get a palindrome (2552772552).

The spelling of 1421341311 in words is "one billion, four hundred twenty-one million, three hundred forty-one thousand, three hundred eleven".