311302122300412 has 12 divisors (see below), whose sum is σ = 545428033118640. Its totient is φ = 155465541409376.

The previous prime is 311302122300317. The next prime is 311302122300431. The reversal of 311302122300412 is 214003221203113.

It is a super-2 number, since 2×311302122300412² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46379931433 + ... + 46379938144.

It is an arithmetic number, because the mean of its divisors is an integer number (45452336093220).

Almost surely, 2^{311302122300412} is an apocalyptic number.

It is an amenable number.

311302122300412 is a deficient number, since it is larger than the sum of its proper divisors (234125910818228).

311302122300412 is a wasteful number, since it uses less digits than its factorization.

311302122300412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92759870420 (or 92759870418 counting only the distinct ones).

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

Adding to 311302122300412 its reverse (214003221203113), we get a palindrome (525305343503525).

The spelling of 311302122300412 in words is "three hundred eleven trillion, three hundred two billion, one hundred twenty-two million, three hundred thousand, four hundred twelve".