1320031310010 has 192 divisors, whose sum is σ = 3778858137600. Its totient is φ = 294076984320.

The previous prime is 1320031310009. The next prime is 1320031310029. The reversal of 1320031310010 is 100131300231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65503416 + ... + 65523564.

It is an arithmetic number, because the mean of its divisors is an integer number (19681552800).

Almost surely, 2^{1320031310010} is an apocalyptic number.

1320031310010 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 1320031310010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889429068800).

1320031310010 is an abundant number, since it is smaller than the sum of its proper divisors (2458826827590).

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

1320031310010 is a wasteful number, since it uses less digits than its factorization.

1320031310010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21301 (or 21294 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1320031310010 its reverse (100131300231), we get a palindrome (1420162610241).

The spelling of 1320031310010 in words is "one trillion, three hundred twenty billion, thirty-one million, three hundred ten thousand, ten".