313545353320 has 32 divisors (see below), whose sum is σ = 711720214920. Its totient is φ = 124308244480.

The previous prime is 313545353311. The next prime is 313545353351. The reversal of 313545353320 is 23353545313.

It can be written as a sum of positive squares in 4 ways, for example, as 77005140004 + 236540213316 = 277498^2 + 486354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 313545353320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34679701 + ... + 34688740.

Almost surely, 2^313545353320 is an apocalyptic number.

It is an amenable number.

313545353320 is an abundant number, since it is smaller than the sum of its proper divisors (398174861600).

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

313545353320 is a wasteful number, since it uses less digits than its factorization.

313545353320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69368565 (or 69368561 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 37.

Adding to 313545353320 its reverse (23353545313), we get a palindrome (336898898633).

The spelling of 313545353320 in words is "three hundred thirteen billion, five hundred forty-five million, three hundred fifty-three thousand, three hundred twenty".