2331221131013 has 8 divisors (see below), whose sum is σ = 2371975240032. Its totient is φ = 2290642309296.

The previous prime is 2331221130967. The next prime is 2331221131061. The reversal of 2331221131013 is 3101311221332.

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

It is a cyclic number.

It is not a de Polignac number, because 2331221131013 - 2⁸ = 2331221130757 is a prime.

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 2331221131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331221161013) 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, 43794995 + ... + 43848192.

It is an arithmetic number, because the mean of its divisors is an integer number (296496905004).

Almost surely, 2^{2331221131013} is an apocalyptic number.

It is an amenable number.

2331221131013 is a deficient number, since it is larger than the sum of its proper divisors (40754109019).

2331221131013 is an equidigital number, since it uses as much as digits as its factorization.

2331221131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87643651.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2331221131013 its reverse (3101311221332), we get a palindrome (5432532352345).

The spelling of 2331221131013 in words is "two trillion, three hundred thirty-one billion, two hundred twenty-one million, one hundred thirty-one thousand, thirteen".