2321120310311 has 16 divisors (see below), whose sum is σ = 2568669401088. Its totient is φ = 2079848292000.

The previous prime is 2321120310293. The next prime is 2321120310317. The reversal of 2321120310311 is 1130130211232.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321120310311 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 (2321120310317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4436591 + ... + 4932096.

It is an arithmetic number, because the mean of its divisors is an integer number (160541837568).

Almost surely, 2^{2321120310311} is an apocalyptic number.

2321120310311 is a deficient number, since it is larger than the sum of its proper divisors (247549090777).

2321120310311 is a wasteful number, since it uses less digits than its factorization.

2321120310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9369022.

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

Adding to 2321120310311 its reverse (1130130211232), we get a palindrome (3451250521543).

The spelling of 2321120310311 in words is "two trillion, three hundred twenty-one billion, one hundred twenty million, three hundred ten thousand, three hundred eleven".