311240321412 has 48 divisors (see below), whose sum is σ = 765789024000. Its totient is φ = 98114245920.

The previous prime is 311240321369. The next prime is 311240321449. The reversal of 311240321412 is 214123042113.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1065162 + ... + 1325537.

It is an arithmetic number, because the mean of its divisors is an integer number (15953938000).

Almost surely, 2^311240321412 is an apocalyptic number.

It is an amenable number.

311240321412 is an abundant number, since it is smaller than the sum of its proper divisors (454548702588).

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

311240321412 is a wasteful number, since it uses less digits than its factorization.

311240321412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391296 (or 2391294 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 311240321412 its reverse (214123042113), we get a palindrome (525363363525).

The spelling of 311240321412 in words is "three hundred eleven billion, two hundred forty million, three hundred twenty-one thousand, four hundred twelve".