313230204340 has 36 divisors (see below), whose sum is σ = 679686769188. Its totient is φ = 121250394240.

The previous prime is 313230204337. The next prime is 313230204361. The reversal of 313230204340 is 43402032313.

It can be written as a sum of positive squares in 2 ways, for example, as 96947540496 + 216282663844 = 311364^2 + 465062^2 .

It is a super-2 number, since 2×313230204340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8129329 + ... + 8167768.

It is an arithmetic number, because the mean of its divisors is an integer number (18880188033).

Almost surely, 2^313230204340 is an apocalyptic number.

It is an amenable number.

313230204340 is an abundant number, since it is smaller than the sum of its proper divisors (366456564848).

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

313230204340 is a wasteful number, since it uses less digits than its factorization.

313230204340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297168 (or 16297135 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 313230204340 its reverse (43402032313), we get a palindrome (356632236653).

The spelling of 313230204340 in words is "three hundred thirteen billion, two hundred thirty million, two hundred four thousand, three hundred forty".