311440332223042 has 16 divisors (see below), whose sum is σ = 509877871169472. Its totient is φ = 141494832756720.

The previous prime is 311440332223019. The next prime is 311440332223043. The reversal of 311440332223042 is 240322233044113.

It is a junction number, because it is equal to n+sod(n) for n = 311440332222989 and 311440332223007.

It is not an unprimeable number, because it can be changed into a prime (311440332223043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3447684678 + ... + 3447775009.

It is an arithmetic number, because the mean of its divisors is an integer number (31867366948092).

Almost surely, 2^{311440332223042} is an apocalyptic number.

311440332223042 is a deficient number, since it is larger than the sum of its proper divisors (198437538946430).

311440332223042 is a wasteful number, since it uses less digits than its factorization.

311440332223042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895461753.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 311440332223042 its reverse (240322233044113), we get a palindrome (551762565267155).

The spelling of 311440332223042 in words is "three hundred eleven trillion, four hundred forty billion, three hundred thirty-two million, two hundred twenty-three thousand, forty-two".