2311320322312 has 32 divisors (see below), whose sum is σ = 4346253676800. Its totient is φ = 1152320020864.

The previous prime is 2311320322237. The next prime is 2311320322313. The reversal of 2311320322312 is 2132230231132.

It is not an unprimeable number, because it can be changed into a prime (2311320322313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31374273 + ... + 31447855.

It is an arithmetic number, because the mean of its divisors is an integer number (135820427400).

Almost surely, 2^{2311320322312} is an apocalyptic number.

It is an amenable number.

2311320322312 is a deficient number, since it is larger than the sum of its proper divisors (2034933354488).

2311320322312 is a wasteful number, since it uses less digits than its factorization.

2311320322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84885 (or 84881 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2311320322312 its reverse (2132230231132), we get a palindrome (4443550553444).

The spelling of 2311320322312 in words is "two trillion, three hundred eleven billion, three hundred twenty million, three hundred twenty-two thousand, three hundred twelve".