2320320131111 has 4 divisors (see below), whose sum is σ = 2320730594952. Its totient is φ = 2319909667272.

The previous prime is 2320320131081. The next prime is 2320320131147. The reversal of 2320320131111 is 1111310230232.

It is a happy number.

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 2320320131111 - 2¹⁸ = 2320319868967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320320131161) 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, 205223441 + ... + 205234746.

It is an arithmetic number, because the mean of its divisors is an integer number (580182648738).

Almost surely, 2^{2320320131111} is an apocalyptic number.

2320320131111 is a deficient number, since it is larger than the sum of its proper divisors (410463841).

2320320131111 is an equidigital number, since it uses as much as digits as its factorization.

2320320131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410463840.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2320320131111 its reverse (1111310230232), we get a palindrome (3431630361343).

The spelling of 2320320131111 in words is "two trillion, three hundred twenty billion, three hundred twenty million, one hundred thirty-one thousand, one hundred eleven".