313322140412240 has 20 divisors (see below), whose sum is σ = 728473976458644. Its totient is φ = 125328856164864.

The previous prime is 313322140412227. The next prime is 313322140412257. The reversal of 313322140412240 is 42214041223313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67318349210176 + 246003791202064 = 8204776^2 + 15684508^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 313322140412197 and 313322140412206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958263377497 + ... + 1958263377656.

Almost surely, 2^{313322140412240} is an apocalyptic number.

It is an amenable number.

313322140412240 is an abundant number, since it is smaller than the sum of its proper divisors (415151836046404).

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

313322140412240 is a wasteful number, since it uses less digits than its factorization.

313322140412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916526755166 (or 3916526755160 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 313322140412240 its reverse (42214041223313), we get a palindrome (355536181635553).

The spelling of 313322140412240 in words is "three hundred thirteen trillion, three hundred twenty-two billion, one hundred forty million, four hundred twelve thousand, two hundred forty".