311200312102 has 16 divisors (see below), whose sum is σ = 485984057472. Its totient is φ = 149320843200.

The previous prime is 311200312079. The next prime is 311200312117. The reversal of 311200312102 is 201213002113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28798774 + ... + 28809577.

It is an arithmetic number, because the mean of its divisors is an integer number (30374003592).

Almost surely, 2^311200312102 is an apocalyptic number.

311200312102 is a deficient number, since it is larger than the sum of its proper divisors (174783745370).

311200312102 is a wasteful number, since it uses less digits than its factorization.

311200312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57608463.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 311200312102 its reverse (201213002113), we get a palindrome (512413314215).

The spelling of 311200312102 in words is "three hundred eleven billion, two hundred million, three hundred twelve thousand, one hundred two".