1231421410434 has 16 divisors (see below), whose sum is σ = 2462899584672. Its totient is φ = 410464342848.

The previous prime is 1231421410421. The next prime is 1231421410441. The reversal of 1231421410434 is 4340141241321.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080504 + ... + 2606019.

It is an arithmetic number, because the mean of its divisors is an integer number (153931224042).

Almost surely, 2^{1231421410434} is an apocalyptic number.

1231421410434 is an abundant number, since it is smaller than the sum of its proper divisors (1231478174238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231421410434 is a wasteful number, since it uses less digits than its factorization.

1231421410434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730321.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1231421410434 its reverse (4340141241321), we get a palindrome (5571562651755).

The spelling of 1231421410434 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-one million, four hundred ten thousand, four hundred thirty-four".