311134443321 has 12 divisors (see below), whose sum is σ = 449211859728. Its totient is φ = 191467349424.

The previous prime is 311134443307. The next prime is 311134443329. The reversal of 311134443321 is 123344431113.

It is not a de Polignac number, because 311134443321 - 2¹⁴ = 311134426937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311134443329) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 306838195 + ... + 306839208.

It is an arithmetic number, because the mean of its divisors is an integer number (37434321644).

Almost surely, 2^311134443321 is an apocalyptic number.

It is an amenable number.

311134443321 is a deficient number, since it is larger than the sum of its proper divisors (138077416407).

311134443321 is a wasteful number, since it uses less digits than its factorization.

311134443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613677432 (or 613677419 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 311134443321 its reverse (123344431113), we get a palindrome (434478874434).

The spelling of 311134443321 in words is "three hundred eleven billion, one hundred thirty-four million, four hundred forty-three thousand, three hundred twenty-one".