311007785604 has 12 divisors (see below), whose sum is σ = 725684833104. Its totient is φ = 103669261864.

The previous prime is 311007785597. The next prime is 311007785609. The reversal of 311007785604 is 406587700113.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (311007785609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12958657722 + ... + 12958657745.

It is an arithmetic number, because the mean of its divisors is an integer number (60473736092).

Almost surely, 2^311007785604 is an apocalyptic number.

It is an amenable number.

311007785604 is an abundant number, since it is smaller than the sum of its proper divisors (414677047500).

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

311007785604 is a wasteful number, since it uses less digits than its factorization.

311007785604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25917315474 (or 25917315472 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 311007785604 in words is "three hundred eleven billion, seven million, seven hundred eighty-five thousand, six hundred four".