2311221232313 has 16 divisors (see below), whose sum is σ = 2727628882944. Its totient is φ = 1916420014080.

The previous prime is 2311221232303. The next prime is 2311221232351. The reversal of 2311221232313 is 3132321221132.

It is a cyclic number.

It is not a de Polignac number, because 2311221232313 - 2⁴ = 2311221232297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311221232303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427720 + ... + 2580857.

It is an arithmetic number, because the mean of its divisors is an integer number (170476805184).

Almost surely, 2^{2311221232313} is an apocalyptic number.

It is an amenable number.

2311221232313 is a deficient number, since it is larger than the sum of its proper divisors (416407650631).

2311221232313 is a wasteful number, since it uses less digits than its factorization.

2311221232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011272.

The product of its digits is 2592, while the sum is 26.

Adding to 2311221232313 its reverse (3132321221132), we get a palindrome (5443542453445).

The spelling of 2311221232313 in words is "two trillion, three hundred eleven billion, two hundred twenty-one million, two hundred thirty-two thousand, three hundred thirteen".