311213311132132 has 48 divisors (see below), whose sum is σ = 579033285143040. Its totient is φ = 146030800792448.

The previous prime is 311213311132117. The next prime is 311213311132133. The reversal of 311213311132132 is 231231113312113.

It is a self number, because there is not a number n which added to its sum of digits gives 311213311132132.

It is not an unprimeable number, because it can be changed into a prime (311213311132133) 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, 385917813 + ... + 386723395.

It is an arithmetic number, because the mean of its divisors is an integer number (12063193440480).

Almost surely, 2^{311213311132132} is an apocalyptic number.

It is an amenable number.

311213311132132 is a deficient number, since it is larger than the sum of its proper divisors (267819974010908).

311213311132132 is a wasteful number, since it uses less digits than its factorization.

311213311132132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884892 (or 884890 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

Adding to 311213311132132 its reverse (231231113312113), we get a palindrome (542444424444245).

The spelling of 311213311132132 in words is "three hundred eleven trillion, two hundred thirteen billion, three hundred eleven million, one hundred thirty-two thousand, one hundred thirty-two".