312312301031111 has 4 divisors (see below), whose sum is σ = 312312382641792. Its totient is φ = 312312219420432.

The previous prime is 312312301031051. The next prime is 312312301031119. The reversal of 312312301031111 is 111130103213213.

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 312312301031111 - 2⁶ = 312312301031047 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 (312312301031119) 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, 34767230 + ... + 42818043.

It is an arithmetic number, because the mean of its divisors is an integer number (78078095660448).

Almost surely, 2^{312312301031111} is an apocalyptic number.

312312301031111 is a deficient number, since it is larger than the sum of its proper divisors (81610681).

312312301031111 is an equidigital number, since it uses as much as digits as its factorization.

312312301031111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81610680.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 312312301031111 its reverse (111130103213213), we get a palindrome (423442404244324).

The spelling of 312312301031111 in words is "three hundred twelve trillion, three hundred twelve billion, three hundred one million, thirty-one thousand, one hundred eleven".