2331232442031 has 4 divisors (see below), whose sum is σ = 3108309922712. Its totient is φ = 1554154961352.

The previous prime is 2331232441991. The next prime is 2331232442039. The reversal of 2331232442031 is 1302442321332.

It is a happy number.

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

It is not a de Polignac number, because 2331232442031 - 2²³ = 2331224053423 is a prime.

It is a super-2 number, since 2×2331232442031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331232442031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331232442039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388538740336 + ... + 388538740341.

It is an arithmetic number, because the mean of its divisors is an integer number (777077480678).

Almost surely, 2^{2331232442031} is an apocalyptic number.

2331232442031 is a deficient number, since it is larger than the sum of its proper divisors (777077480681).

2331232442031 is an equidigital number, since it uses as much as digits as its factorization.

2331232442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777077480680.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2331232442031 its reverse (1302442321332), we get a palindrome (3633674763363).

The spelling of 2331232442031 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-two million, four hundred forty-two thousand, thirty-one".