311011323442 has 16 divisors (see below), whose sum is σ = 486896921280. Its totient is φ = 148715032752.

The previous prime is 311011323439. The next prime is 311011323443. The reversal of 311011323442 is 244323110113.

It is not an unprimeable number, because it can be changed into a prime (311011323443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435513 + ... + 900940.

It is an arithmetic number, because the mean of its divisors is an integer number (30431057580).

Almost surely, 2^311011323442 is an apocalyptic number.

311011323442 is a deficient number, since it is larger than the sum of its proper divisors (175885597838).

311011323442 is a wasteful number, since it uses less digits than its factorization.

311011323442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341537.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311011323442 its reverse (244323110113), we get a palindrome (555334433555).

The spelling of 311011323442 in words is "three hundred eleven billion, eleven million, three hundred twenty-three thousand, four hundred forty-two".