2031122331320 has 32 divisors (see below), whose sum is σ = 4727612325600. Its totient is φ = 784433451648.

The previous prime is 2031122331307. The next prime is 2031122331323. The reversal of 2031122331320 is 231332211302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031122331323) 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, 875482604 + ... + 875484923.

It is an arithmetic number, because the mean of its divisors is an integer number (147737885175).

Almost surely, 2^{2031122331320} is an apocalyptic number.

2031122331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031122331320 is an abundant number, since it is smaller than the sum of its proper divisors (2696489994280).

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

2031122331320 is a wasteful number, since it uses less digits than its factorization.

2031122331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750967567 (or 1750967563 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2031122331320 its reverse (231332211302), we get a palindrome (2262454542622).

The spelling of 2031122331320 in words is "two trillion, thirty-one billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty".