311120003220212 has 12 divisors (see below), whose sum is σ = 554732835930756. Its totient is φ = 152624907240000.

The previous prime is 311120003220167. The next prime is 311120003220251. The reversal of 311120003220212 is 212022300021113.

It can be written as a sum of positive squares in 2 ways, for example, as 130857264189796 + 180262739030416 = 11439286^2 + 13426196^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 733773592289 + ... + 733773592712.

It is an arithmetic number, because the mean of its divisors is an integer number (46227736327563).

Almost surely, 2^{311120003220212} is an apocalyptic number.

It is an amenable number.

311120003220212 is a deficient number, since it is larger than the sum of its proper divisors (243612832710544).

311120003220212 is a wasteful number, since it uses less digits than its factorization.

311120003220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467547185058 (or 1467547185056 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 311120003220212 its reverse (212022300021113), we get a palindrome (523142303241325).

The spelling of 311120003220212 in words is "three hundred eleven trillion, one hundred twenty billion, three million, two hundred twenty thousand, two hundred twelve".