312271355 has 12 divisors (see below), whose sum is σ = 411889296. Its totient is φ = 227106000.

The previous prime is 312271343. The next prime is 312271357. The reversal of 312271355 is 553172213.

It is not a de Polignac number, because 312271355 - 2⁶ = 312271291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312271357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257471 + ... + 258680.

It is an arithmetic number, because the mean of its divisors is an integer number (34324108).

Almost surely, 2^312271355 is an apocalyptic number.

312271355 is a deficient number, since it is larger than the sum of its proper divisors (99617941).

312271355 is a wasteful number, since it uses less digits than its factorization.

312271355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516178 (or 516167 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 312271355 is about 17671.2012891031. The cubic root of 312271355 is about 678.4388602971.

The spelling of 312271355 in words is "three hundred twelve million, two hundred seventy-one thousand, three hundred fifty-five".