1320031111300 has 216 divisors, whose sum is σ = 3343495690080. Its totient is φ = 448510156800.

The previous prime is 1320031111237. The next prime is 1320031111303. The reversal of 1320031111300 is 31111300231.

It is not an unprimeable number, because it can be changed into a prime (1320031111303) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 44173164 + ... + 44203036.

Almost surely, 2^{1320031111300} is an apocalyptic number.

1320031111300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320031111300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671747845040).

1320031111300 is an abundant number, since it is smaller than the sum of its proper divisors (2023464578780).

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

1320031111300 is a wasteful number, since it uses less digits than its factorization.

1320031111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30071 (or 30047 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1320031111300 its reverse (31111300231), we get a palindrome (1351142411531).

The spelling of 1320031111300 in words is "one trillion, three hundred twenty billion, thirty-one million, one hundred eleven thousand, three hundred".