312303112111 has 4 divisors (see below), whose sum is σ = 312305791000. Its totient is φ = 312300433224.

The previous prime is 312303112103. The next prime is 312303112183. The reversal of 312303112111 is 111211303213.

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 312303112111 - 2³ = 312303112103 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 (312303112711) 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, 1156221 + ... + 1400518.

It is an arithmetic number, because the mean of its divisors is an integer number (78076447750).

Almost surely, 2^312303112111 is an apocalyptic number.

312303112111 is a deficient number, since it is larger than the sum of its proper divisors (2678889).

312303112111 is a wasteful number, since it uses less digits than its factorization.

312303112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678888.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 312303112111 its reverse (111211303213), we get a palindrome (423514415324).

The spelling of 312303112111 in words is "three hundred twelve billion, three hundred three million, one hundred twelve thousand, one hundred eleven".