1331120331210 has 64 divisors (see below), whose sum is σ = 3245315715072. Its totient is φ = 349349833536.

The previous prime is 1331120331199. The next prime is 1331120331227. The reversal of 1331120331210 is 121330211331.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1916827 + ... + 2517233.

It is an arithmetic number, because the mean of its divisors is an integer number (50708058048).

Almost surely, 2^{1331120331210} is an apocalyptic number.

1331120331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331120331210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622657857536).

1331120331210 is an abundant number, since it is smaller than the sum of its proper divisors (1914195383862).

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

1331120331210 is a wasteful number, since it uses less digits than its factorization.

1331120331210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601587.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1331120331210 its reverse (121330211331), we get a palindrome (1452450542541).

The spelling of 1331120331210 in words is "one trillion, three hundred thirty-one billion, one hundred twenty million, three hundred thirty-one thousand, two hundred ten".