313101985 has 8 divisors (see below), whose sum is σ = 429397056. Its totient is φ = 214698480.

The previous prime is 313101983. The next prime is 313101989. The reversal of 313101985 is 589101313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313101985 - 2¹ = 313101983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313101983) 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 7 ways as a sum of consecutive naturals, for example, 4472851 + ... + 4472920.

It is an arithmetic number, because the mean of its divisors is an integer number (53674632).

Almost surely, 2^313101985 is an apocalyptic number.

313101985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313101985 is a deficient number, since it is larger than the sum of its proper divisors (116295071).

313101985 is an equidigital number, since it uses as much as digits as its factorization.

313101985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945783.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 313101985 is about 17694.6880447212. The cubic root of 313101985 is about 679.0398682996.

The spelling of 313101985 in words is "three hundred thirteen million, one hundred one thousand, nine hundred eighty-five".