1320023322031 has 4 divisors (see below), whose sum is σ = 1323620116192. Its totient is φ = 1316426527872.

The previous prime is 1320023321999. The next prime is 1320023322041. The reversal of 1320023322031 is 1302233200231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320023322031 - 2⁵ = 1320023321999 is a prime.

It is a super-2 number, since 2×1320023322031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320023321993 and 1320023322011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320023322041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798396530 + ... + 1798397263.

It is an arithmetic number, because the mean of its divisors is an integer number (330905029048).

Almost surely, 2^{1320023322031} is an apocalyptic number.

1320023322031 is a deficient number, since it is larger than the sum of its proper divisors (3596794161).

1320023322031 is an equidigital number, since it uses as much as digits as its factorization.

1320023322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596794160.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1320023322031 its reverse (1302233200231), we get a palindrome (2622256522262).

The spelling of 1320023322031 in words is "one trillion, three hundred twenty billion, twenty-three million, three hundred twenty-two thousand, thirty-one".