312349508 has 12 divisors (see below), whose sum is σ = 546912492. Its totient is φ = 156088800.

The previous prime is 312349507. The next prime is 312349547. The reversal of 312349508 is 805943213.

It can be written as a sum of positive squares in 2 ways, for example, as 161747524 + 150601984 = 12718^2 + 12272^2 .

It is not an unprimeable number, because it can be changed into a prime (312349507) 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, 12935 + ... + 28142.

It is an arithmetic number, because the mean of its divisors is an integer number (45576041).

Almost surely, 2^312349508 is an apocalyptic number.

It is an amenable number.

312349508 is a deficient number, since it is larger than the sum of its proper divisors (234562984).

312349508 is a wasteful number, since it uses less digits than its factorization.

312349508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42982 (or 42980 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 312349508 is about 17673.4124605295. The cubic root of 312349508 is about 678.4954538214.

The spelling of 312349508 in words is "three hundred twelve million, three hundred forty-nine thousand, five hundred eight".