2331232431421 has 8 divisors (see below), whose sum is σ = 2453975055200. Its totient is φ = 2208494425680.

The previous prime is 2331232431403. The next prime is 2331232431433. The reversal of 2331232431421 is 1241342321332.

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

It is not a de Polignac number, because 2331232431421 - 2¹³ = 2331232423229 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 (2331232435421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93291 + ... + 2161288.

It is an arithmetic number, because the mean of its divisors is an integer number (306746881900).

Almost surely, 2^{2331232431421} is an apocalyptic number.

It is an amenable number.

2331232431421 is a deficient number, since it is larger than the sum of its proper divisors (122742623779).

2331232431421 is a wasteful number, since it uses less digits than its factorization.

2331232431421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309019.

The product of its digits is 20736, while the sum is 31.

Adding to 2331232431421 its reverse (1241342321332), we get a palindrome (3572574752753).

The spelling of 2331232431421 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-two million, four hundred thirty-one thousand, four hundred twenty-one".