2311212022303 has 4 divisors (see below), whose sum is σ = 2311296836680. Its totient is φ = 2311127207928.

The previous prime is 2311212022291. The next prime is 2311212022351. The reversal of 2311212022303 is 3032202121132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311212022303 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 (2311212022363) 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 3 ways as a sum of consecutive naturals, for example, 42366300 + ... + 42420817.

It is an arithmetic number, because the mean of its divisors is an integer number (577824209170).

Almost surely, 2^{2311212022303} is an apocalyptic number.

2311212022303 is a deficient number, since it is larger than the sum of its proper divisors (84814377).

2311212022303 is an equidigital number, since it uses as much as digits as its factorization.

2311212022303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84814376.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2311212022303 its reverse (3032202121132), we get a palindrome (5343414143435).

The spelling of 2311212022303 in words is "two trillion, three hundred eleven billion, two hundred twelve million, twenty-two thousand, three hundred three".