311243232014 has 128 divisors (see below), whose sum is σ = 575920654848. Its totient is φ = 124261724160.

The previous prime is 311243231939. The next prime is 311243232017. The reversal of 311243232014 is 410232342113.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311243232017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74511494 + ... + 74515670.

It is an arithmetic number, because the mean of its divisors is an integer number (4499380116).

Almost surely, 2^311243232014 is an apocalyptic number.

311243232014 is a deficient number, since it is larger than the sum of its proper divisors (264677422834).

311243232014 is a wasteful number, since it uses less digits than its factorization.

311243232014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 311243232014 its reverse (410232342113), we get a palindrome (721475574127).

The spelling of 311243232014 in words is "three hundred eleven billion, two hundred forty-three million, two hundred thirty-two thousand, fourteen".