1320031530245 has 4 divisors (see below), whose sum is σ = 1584037836300. Its totient is φ = 1056025224192.

The previous prime is 1320031530229. The next prime is 1320031530263. The reversal of 1320031530245 is 5420351300231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294320355169 + 1025711175076 = 542513^2 + 1012774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320031530245 - 2⁴ = 1320031530229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132003153020 + ... + 132003153029.

It is an arithmetic number, because the mean of its divisors is an integer number (396009459075).

Almost surely, 2^{1320031530245} is an apocalyptic number.

It is an amenable number.

1320031530245 is a deficient number, since it is larger than the sum of its proper divisors (264006306055).

1320031530245 is an equidigital number, since it uses as much as digits as its factorization.

1320031530245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264006306054.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1320031530245 its reverse (5420351300231), we get a palindrome (6740382830476).

The spelling of 1320031530245 in words is "one trillion, three hundred twenty billion, thirty-one million, five hundred thirty thousand, two hundred forty-five".