311322012330002 has 32 divisors (see below), whose sum is σ = 477711008128512. Its totient is φ = 152096032053504.

The previous prime is 311322012330001. The next prime is 311322012330013. The reversal of 311322012330002 is 200033210223113.

It is a super-2 number, since 2×311322012330002² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311322012330002.

It is not an unprimeable number, because it can be changed into a prime (311322012330001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662303038 + ... + 1662490310.

It is an arithmetic number, because the mean of its divisors is an integer number (14928469004016).

Almost surely, 2^{311322012330002} is an apocalyptic number.

311322012330002 is a deficient number, since it is larger than the sum of its proper divisors (166388995798510).

311322012330002 is a wasteful number, since it uses less digits than its factorization.

311322012330002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216602.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 311322012330002 its reverse (200033210223113), we get a palindrome (511355222553115).

The spelling of 311322012330002 in words is "three hundred eleven trillion, three hundred twenty-two billion, twelve million, three hundred thirty thousand, two".