313221230 has 48 divisors (see below), whose sum is σ = 657953280. Its totient is φ = 107045568.

The previous prime is 313221203. The next prime is 313221253. The reversal of 313221230 is 32122313.

It is a junction number, because it is equal to n+sod(n) for n = 313221199 and 313221208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186836 + ... + 188504.

It is an arithmetic number, because the mean of its divisors is an integer number (13707360).

Almost surely, 2^313221230 is an apocalyptic number.

313221230 is an abundant number, since it is smaller than the sum of its proper divisors (344732050).

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

313221230 is a wasteful number, since it uses less digits than its factorization.

313221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2066 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313221230 is about 17698.0572380134. The cubic root of 313221230 is about 679.1260615484.

Adding to 313221230 its reverse (32122313), we get a palindrome (345343543).

The spelling of 313221230 in words is "three hundred thirteen million, two hundred twenty-one thousand, two hundred thirty".