720343620311371 has 16 divisors (see below), whose sum is σ = 871847668094976. Its totient is φ = 581003306142336.

The previous prime is 720343620311353. The next prime is 720343620311417. The reversal of 720343620311371 is 173113026343027.

It is not a de Polignac number, because 720343620311371 - 2²¹ = 720343618214219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720343620311071) 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, 594372801 + ... + 595583506.

It is an arithmetic number, because the mean of its divisors is an integer number (54490479255936).

Almost surely, 2^{720343620311371} is an apocalyptic number.

720343620311371 is a deficient number, since it is larger than the sum of its proper divisors (151504047783605).

720343620311371 is a wasteful number, since it uses less digits than its factorization.

720343620311371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189961418.

The product of its (nonzero) digits is 381024, while the sum is 43.

Adding to 720343620311371 its reverse (173113026343027), we get a palindrome (893456646654398).

The spelling of 720343620311371 in words is "seven hundred twenty trillion, three hundred forty-three billion, six hundred twenty million, three hundred eleven thousand, three hundred seventy-one".