313242332440 has 32 divisors (see below), whose sum is σ = 709865730000. Its totient is φ = 124395513984.

The previous prime is 313242332423. The next prime is 313242332467. The reversal of 313242332440 is 44233242313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28163715 + ... + 28174834.

Almost surely, 2^313242332440 is an apocalyptic number.

It is an amenable number.

313242332440 is an abundant number, since it is smaller than the sum of its proper divisors (396623397560).

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

313242332440 is a wasteful number, since it uses less digits than its factorization.

313242332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56338699 (or 56338695 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 313242332440 its reverse (44233242313), we get a palindrome (357475574753).

The spelling of 313242332440 in words is "three hundred thirteen billion, two hundred forty-two million, three hundred thirty-two thousand, four hundred forty".