312034111 has 4 divisors (see below), whose sum is σ = 312857800. Its totient is φ = 311210424.

The previous prime is 312034109. The next prime is 312034141. The reversal of 312034111 is 111430213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111430213 = 31 ⋅3594523.

It is a cyclic number.

It is not a de Polignac number, because 312034111 - 2¹ = 312034109 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 (312034141) 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, 411276 + ... + 412033.

It is an arithmetic number, because the mean of its divisors is an integer number (78214450).

Almost surely, 2^312034111 is an apocalyptic number.

312034111 is a deficient number, since it is larger than the sum of its proper divisors (823689).

312034111 is an equidigital number, since it uses as much as digits as its factorization.

312034111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823688.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 312034111 is about 17664.4872838132. The cubic root of 312034111 is about 678.2670051409.

Adding to 312034111 its reverse (111430213), we get a palindrome (423464324).

The spelling of 312034111 in words is "three hundred twelve million, thirty-four thousand, one hundred eleven".