313230302320 has 40 divisors (see below), whose sum is σ = 784280490336. Its totient is φ = 115654265088.

The previous prime is 313230302267. The next prime is 313230302327. The reversal of 313230302320 is 23203032313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×313230302320² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313230302291 and 313230302300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313230302327) 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, 150590452 + ... + 150592531.

Almost surely, 2^313230302320 is an apocalyptic number.

It is an amenable number.

313230302320 is an abundant number, since it is smaller than the sum of its proper divisors (471050188016).

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

313230302320 is a wasteful number, since it uses less digits than its factorization.

313230302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301183009 (or 301183003 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 313230302320 its reverse (23203032313), we get a palindrome (336433334633).

The spelling of 313230302320 in words is "three hundred thirteen billion, two hundred thirty million, three hundred two thousand, three hundred twenty".