311440031121412 has 12 divisors (see below), whose sum is σ = 545488687363536. Its totient is φ = 155586120446120.

The previous prime is 311440031121397. The next prime is 311440031121433. The reversal of 311440031121412 is 214121130044113.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33473773414 + ... + 33473782717.

It is an arithmetic number, because the mean of its divisors is an integer number (45457390613628).

Almost surely, 2^{311440031121412} is an apocalyptic number.

It is an amenable number.

311440031121412 is a deficient number, since it is larger than the sum of its proper divisors (234048656242124).

311440031121412 is a wasteful number, since it uses less digits than its factorization.

311440031121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66947557298 (or 66947557296 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 311440031121412 its reverse (214121130044113), we get a palindrome (525561161165525).

The spelling of 311440031121412 in words is "three hundred eleven trillion, four hundred forty billion, thirty-one million, one hundred twenty-one thousand, four hundred twelve".