313856089 has 8 divisors (see below), whose sum is σ = 328422600. Its totient is φ = 299609856.

The previous prime is 313856071. The next prime is 313856099. The reversal of 313856089 is 980658313.

It can be written as a sum of positive squares in 4 ways, for example, as 251761689 + 62094400 = 15867^2 + 7880^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 313856089 - 2¹¹ = 313854041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313856029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78064 + ... + 81985.

It is an arithmetic number, because the mean of its divisors is an integer number (41052825).

Almost surely, 2^313856089 is an apocalyptic number.

It is an amenable number.

313856089 is a deficient number, since it is larger than the sum of its proper divisors (14566511).

313856089 is a wasteful number, since it uses less digits than its factorization.

313856089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160139.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 313856089 is about 17715.9839975091. The cubic root of 313856089 is about 679.5845855180.

The spelling of 313856089 in words is "three hundred thirteen million, eight hundred fifty-six thousand, eighty-nine".