312303103322011 has 4 divisors (see below), whose sum is σ = 312928961245000. Its totient is φ = 311677245399024.

The previous prime is 312303103322003. The next prime is 312303103322017. The reversal of 312303103322011 is 110223301303213.

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 312303103322011 - 2³ = 312303103322003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312303103322017) 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, 312928960746 + ... + 312928961743.

It is an arithmetic number, because the mean of its divisors is an integer number (78232240311250).

Almost surely, 2^{312303103322011} is an apocalyptic number.

312303103322011 is a deficient number, since it is larger than the sum of its proper divisors (625857922989).

312303103322011 is an equidigital number, since it uses as much as digits as its factorization.

312303103322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625857922988.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 312303103322011 its reverse (110223301303213), we get a palindrome (422526404625224).

The spelling of 312303103322011 in words is "three hundred twelve trillion, three hundred three billion, one hundred three million, three hundred twenty-two thousand, eleven".