312234311 has 4 divisors (see below), whose sum is σ = 319849824. Its totient is φ = 304618800.

The previous prime is 312234287. The next prime is 312234317. The reversal of 312234311 is 113432213.

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 312234311 - 2¹⁰ = 312233287 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 (312234317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3807695 + ... + 3807776.

It is an arithmetic number, because the mean of its divisors is an integer number (79962456).

Almost surely, 2^312234311 is an apocalyptic number.

312234311 is a deficient number, since it is larger than the sum of its proper divisors (7615513).

312234311 is an equidigital number, since it uses as much as digits as its factorization.

312234311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615512.

The product of its digits is 432, while the sum is 20.

The square root of 312234311 is about 17670.1531119569. The cubic root of 312234311 is about 678.4120320460.

Adding to 312234311 its reverse (113432213), we get a palindrome (425666524).

The spelling of 312234311 in words is "three hundred twelve million, two hundred thirty-four thousand, three hundred eleven".