312054311 has 4 divisors (see below), whose sum is σ = 319311432. Its totient is φ = 304797192.

The previous prime is 312054241. The next prime is 312054313. The reversal of 312054311 is 113450213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312054311 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 (312054313) 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, 3628496 + ... + 3628581.

It is an arithmetic number, because the mean of its divisors is an integer number (79827858).

Almost surely, 2^312054311 is an apocalyptic number.

312054311 is a deficient number, since it is larger than the sum of its proper divisors (7257121).

312054311 is an equidigital number, since it uses as much as digits as its factorization.

312054311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257120.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 312054311 is about 17665.0590432073. The cubic root of 312054311 is about 678.2816410385.

The spelling of 312054311 in words is "three hundred twelve million, fifty-four thousand, three hundred eleven".