1320231113313 has 64 divisors (see below), whose sum is σ = 2028229632000. Its totient is φ = 748286544384.

The previous prime is 1320231113303. The next prime is 1320231113353. The reversal of 1320231113313 is 3133111320231.

It is not a de Polignac number, because 1320231113313 - 2⁸ = 1320231113057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1320231113303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2040542356 + ... + 2040543002.

It is an arithmetic number, because the mean of its divisors is an integer number (31691088000).

Almost surely, 2^{1320231113313} is an apocalyptic number.

It is an amenable number.

1320231113313 is a deficient number, since it is larger than the sum of its proper divisors (707998518687).

1320231113313 is a wasteful number, since it uses less digits than its factorization.

1320231113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1320231113313 its reverse (3133111320231), we get a palindrome (4453342433544).

The spelling of 1320231113313 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, one hundred thirteen thousand, three hundred thirteen".