311443114136 has 32 divisors (see below), whose sum is σ = 728048839680. Its totient is φ = 121341472800.

The previous prime is 311443114067. The next prime is 311443114181. The reversal of 311443114136 is 631411344113.

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, 252794120 + ... + 252795351.

It is an arithmetic number, because the mean of its divisors is an integer number (22751526240).

Almost surely, 2^311443114136 is an apocalyptic number.

It is an amenable number.

311443114136 is an abundant number, since it is smaller than the sum of its proper divisors (416605725544).

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

311443114136 is a wasteful number, since it uses less digits than its factorization.

311443114136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505589495 (or 505589491 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

Adding to 311443114136 its reverse (631411344113), we get a palindrome (942854458249).

The spelling of 311443114136 in words is "three hundred eleven billion, four hundred forty-three million, one hundred fourteen thousand, one hundred thirty-six".