313431143342320 has 80 divisors (see below), whose sum is σ = 798200406725760. Its totient is φ = 113928723894272.

The previous prime is 313431143342279. The next prime is 313431143342321. The reversal of 313431143342320 is 23243341134313.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 313431143342320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313431143342321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3973479112 + ... + 3973557991.

It is an arithmetic number, because the mean of its divisors is an integer number (9977505084072).

Almost surely, 2^{313431143342320} is an apocalyptic number.

It is an amenable number.

313431143342320 is an abundant number, since it is smaller than the sum of its proper divisors (484769263383440).

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

313431143342320 is a wasteful number, since it uses less digits than its factorization.

313431143342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947037162 (or 7947037156 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 313431143342320 its reverse (23243341134313), we get a palindrome (336674484476633).

The spelling of 313431143342320 in words is "three hundred thirteen trillion, four hundred thirty-one billion, one hundred forty-three million, three hundred forty-two thousand, three hundred twenty".