311445134232 has 32 divisors (see below), whose sum is σ = 778739542080. Its totient is φ = 103798150560.

The previous prime is 311445134191. The next prime is 311445134233. The reversal of 311445134232 is 232431544113.

It is a junction number, because it is equal to n+sod(n) for n = 311445134193 and 311445134202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311445134233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904894 + ... + 1200717.

It is an arithmetic number, because the mean of its divisors is an integer number (24335610690).

Almost surely, 2^311445134232 is an apocalyptic number.

It is an amenable number.

311445134232 is an abundant number, since it is smaller than the sum of its proper divisors (467294407848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311445134232 is a wasteful number, since it uses less digits than its factorization.

311445134232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111783 (or 2111779 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

Adding to 311445134232 its reverse (232431544113), we get a palindrome (543876678345).

The spelling of 311445134232 in words is "three hundred eleven billion, four hundred forty-five million, one hundred thirty-four thousand, two hundred thirty-two".