1320031220133 has 32 divisors (see below), whose sum is σ = 1777287225600. Its totient is φ = 871453979136.

The previous prime is 1320031220113. The next prime is 1320031220147. The reversal of 1320031220133 is 3310221300231.

It is not a de Polignac number, because 1320031220133 - 2⁸ = 1320031219877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320031220113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90672891 + ... + 90687447.

It is an arithmetic number, because the mean of its divisors is an integer number (55540225800).

Almost surely, 2^{1320031220133} is an apocalyptic number.

It is an amenable number.

1320031220133 is a deficient number, since it is larger than the sum of its proper divisors (457256005467).

1320031220133 is a wasteful number, since it uses less digits than its factorization.

1320031220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15501.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1320031220133 its reverse (3310221300231), we get a palindrome (4630252520364).

The spelling of 1320031220133 in words is "one trillion, three hundred twenty billion, thirty-one million, two hundred twenty thousand, one hundred thirty-three".