1320113113231 has 8 divisors (see below), whose sum is σ = 1524836537424. Its totient is φ = 1129508545920.

The previous prime is 1320113113219. The next prime is 1320113113271. The reversal of 1320113113231 is 1323113110231.

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 1320113113231 - 2²¹ = 1320111016079 is a prime.

It is a super-2 number, since 2×1320113113231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320113113271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3529714020 + ... + 3529714393.

It is an arithmetic number, because the mean of its divisors is an integer number (190604567178).

Almost surely, 2^{1320113113231} is an apocalyptic number.

1320113113231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320113113231 is a deficient number, since it is larger than the sum of its proper divisors (204723424193).

1320113113231 is a wasteful number, since it uses less digits than its factorization.

1320113113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059428441.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1320113113231 its reverse (1323113110231), we get a palindrome (2643226223462).

The spelling of 1320113113231 in words is "one trillion, three hundred twenty billion, one hundred thirteen million, one hundred thirteen thousand, two hundred thirty-one".