311431241012 has 12 divisors (see below), whose sum is σ = 573689128320. Its totient is φ = 147520061496.

The previous prime is 311431240907. The next prime is 311431241063. The reversal of 311431241012 is 210142134113.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2048889668 + ... + 2048889819.

It is an arithmetic number, because the mean of its divisors is an integer number (47807427360).

Almost surely, 2^311431241012 is an apocalyptic number.

It is an amenable number.

311431241012 is a deficient number, since it is larger than the sum of its proper divisors (262257887308).

311431241012 is a wasteful number, since it uses less digits than its factorization.

311431241012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097779510 (or 4097779508 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 311431241012 its reverse (210142134113), we get a palindrome (521573375125).

The spelling of 311431241012 in words is "three hundred eleven billion, four hundred thirty-one million, two hundred forty-one thousand, twelve".