313223241122240 has 56 divisors (see below), whose sum is σ = 747634488951552. Its totient is φ = 124991697116160.

The previous prime is 313223241122237. The next prime is 313223241122287. The reversal of 313223241122240 is 42221142322313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 313223241122197 and 313223241122206.

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 7 ways as a sum of consecutive naturals, for example, 1162362464 + ... + 1162631903.

Almost surely, 2^{313223241122240} is an apocalyptic number.

It is an amenable number.

313223241122240 is an abundant number, since it is smaller than the sum of its proper divisors (434411247829312).

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

313223241122240 is a wasteful number, since it uses less digits than its factorization.

313223241122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324994805 (or 2324994795 counting only the distinct ones).

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

Adding to 313223241122240 its reverse (42221142322313), we get a palindrome (355444383444553).

The spelling of 313223241122240 in words is "three hundred thirteen trillion, two hundred twenty-three billion, two hundred forty-one million, one hundred twenty-two thousand, two hundred forty".