1320031430000 has 100 divisors (see below), whose sum is σ = 3217096861968. Its totient is φ = 524515200000.

The previous prime is 1320031429979. The next prime is 1320031430021. The reversal of 1320031430000 is 341300231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1320031429979) and next prime (1320031430021).

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1072904 + ... + 1947096.

Almost surely, 2^{1320031430000} is an apocalyptic number.

1320031430000 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 1320031430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608548430984).

1320031430000 is an abundant number, since it is smaller than the sum of its proper divisors (1897065431968).

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

1320031430000 is an equidigital number, since it uses as much as digits as its factorization.

1320031430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874372 (or 874351 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1320031430000 its reverse (341300231), we get a palindrome (1320372730231).

The spelling of 1320031430000 in words is "one trillion, three hundred twenty billion, thirty-one million, four hundred thirty thousand".