311130551132 has 12 divisors (see below), whose sum is σ = 544573743000. Its totient is φ = 155538053136.

The previous prime is 311130551063. The next prime is 311130551143. The reversal of 311130551132 is 231155031113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6779882 + ... + 6825617.

It is an arithmetic number, because the mean of its divisors is an integer number (45381145250).

Almost surely, 2^311130551132 is an apocalyptic number.

It is an amenable number.

311130551132 is a deficient number, since it is larger than the sum of its proper divisors (233443191868).

311130551132 is a wasteful number, since it uses less digits than its factorization.

311130551132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13611220 (or 13611218 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 311130551132 its reverse (231155031113), we get a palindrome (542285582245).

The spelling of 311130551132 in words is "three hundred eleven billion, one hundred thirty million, five hundred fifty-one thousand, one hundred thirty-two".