313230441440 has 48 divisors (see below), whose sum is σ = 845722194912. Its totient is φ = 107393293824.

The previous prime is 313230441439. The next prime is 313230441449. The reversal of 313230441440 is 44144032313.

It is a happy number.

It is a super-2 number, since 2×313230441440² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313230441449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 139833899 + ... + 139836138.

It is an arithmetic number, because the mean of its divisors is an integer number (17619212394).

Almost surely, 2^313230441440 is an apocalyptic number.

It is an amenable number.

313230441440 is an abundant number, since it is smaller than the sum of its proper divisors (532491753472).

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

313230441440 is a wasteful number, since it uses less digits than its factorization.

313230441440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279670059 (or 279670051 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 313230441440 its reverse (44144032313), we get a palindrome (357374473753).

The spelling of 313230441440 in words is "three hundred thirteen billion, two hundred thirty million, four hundred forty-one thousand, four hundred forty".