313219998 has 96 divisors (see below), whose sum is σ = 854870016. Its totient is φ = 80668224.

The previous prime is 313219969. The next prime is 313220009. The reversal of 313219998 is 899912313.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 68211 + ... + 72657.

It is an arithmetic number, because the mean of its divisors is an integer number (8904896).

Almost surely, 2^313219998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313219998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427435008).

313219998 is an abundant number, since it is smaller than the sum of its proper divisors (541650018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313219998 is a wasteful number, since it uses less digits than its factorization.

313219998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518 (or 4515 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 313219998 is about 17698.0224318990. The cubic root of 313219998 is about 679.1251711400.

The spelling of 313219998 in words is "three hundred thirteen million, two hundred nineteen thousand, nine hundred ninety-eight".