313221104 has 20 divisors (see below), whose sum is σ = 693561264. Its totient is φ = 134237568.

The previous prime is 313221089. The next prime is 313221119. The reversal of 313221104 is 401122313.

It is an interprime number because it is at equal distance from previous prime (313221089) and next prime (313221119).

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 3 ways as a sum of consecutive naturals, for example, 1398197 + ... + 1398420.

Almost surely, 2^313221104 is an apocalyptic number.

It is an amenable number.

313221104 is an abundant number, since it is smaller than the sum of its proper divisors (380340160).

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

313221104 is a wasteful number, since it uses less digits than its factorization.

313221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796632 (or 2796626 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 313221104 is about 17698.0536783003. The cubic root of 313221104 is about 679.1259704840.

Adding to 313221104 its reverse (401122313), we get a palindrome (714343417).

The spelling of 313221104 in words is "three hundred thirteen million, two hundred twenty-one thousand, one hundred four".