2331121143320 has 32 divisors (see below), whose sum is σ = 5245074565920. Its totient is φ = 932439214080.

The previous prime is 2331121143317. The next prime is 2331121143341. The reversal of 2331121143320 is 233411211332.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331121143320.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4985909 + ... + 5433371.

It is an arithmetic number, because the mean of its divisors is an integer number (163908580185).

Almost surely, 2^{2331121143320} is an apocalyptic number.

2331121143320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331121143320 is an abundant number, since it is smaller than the sum of its proper divisors (2913953422600).

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

2331121143320 is a wasteful number, since it uses less digits than its factorization.

2331121143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577715 (or 577711 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 2331121143320 its reverse (233411211332), we get a palindrome (2564532354652).

The spelling of 2331121143320 in words is "two trillion, three hundred thirty-one billion, one hundred twenty-one million, one hundred forty-three thousand, three hundred twenty".