1320133131323 has 8 divisors (see below), whose sum is σ = 1351427721840. Its totient is φ = 1289149930080.

The previous prime is 1320133131221. The next prime is 1320133131329. The reversal of 1320133131323 is 3231313310231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320133131323 - 2¹² = 1320133127227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320133131292 and 1320133131301.

It is not an unprimeable number, because it can be changed into a prime (1320133131329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77838740 + ... + 77855697.

It is an arithmetic number, because the mean of its divisors is an integer number (168928465230).

Almost surely, 2^{1320133131323} is an apocalyptic number.

1320133131323 is a deficient number, since it is larger than the sum of its proper divisors (31294590517).

1320133131323 is a wasteful number, since it uses less digits than its factorization.

1320133131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155694637.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1320133131323 its reverse (3231313310231), we get a palindrome (4551446441554).

The spelling of 1320133131323 in words is "one trillion, three hundred twenty billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred twenty-three".