421341142331 has 16 divisors (see below), whose sum is σ = 432342282240. Its totient is φ = 410396199360.

The previous prime is 421341142319. The next prime is 421341142399. The reversal of 421341142331 is 133241143124.

It is a cyclic number.

It is not a de Polignac number, because 421341142331 - 2²² = 421336948027 is a prime.

It is a super-2 number, since 2×421341142331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421341142294 and 421341142303.

It is not an unprimeable number, because it can be changed into a prime (421341142531) 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, 25217126 + ... + 25233828.

It is an arithmetic number, because the mean of its divisors is an integer number (27021392640).

Almost surely, 2^421341142331 is an apocalyptic number.

421341142331 is a deficient number, since it is larger than the sum of its proper divisors (11001139909).

421341142331 is a wasteful number, since it uses less digits than its factorization.

421341142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18346.

The product of its digits is 6912, while the sum is 29.

Adding to 421341142331 its reverse (133241143124), we get a palindrome (554582285455).

The spelling of 421341142331 in words is "four hundred twenty-one billion, three hundred forty-one million, one hundred forty-two thousand, three hundred thirty-one".