311311130032 has 40 divisors (see below), whose sum is σ = 703399796000. Its totient is φ = 133419053376.

The previous prime is 311311129999. The next prime is 311311130033. The reversal of 311311130032 is 230031113113.

It is a junction number, because it is equal to n+sod(n) for n = 311311129991 and 311311130009.

It is not an unprimeable number, because it can be changed into a prime (311311130033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28357407 + ... + 28368382.

It is an arithmetic number, because the mean of its divisors is an integer number (17584994900).

Almost surely, 2^311311130032 is an apocalyptic number.

It is an amenable number.

311311130032 is an abundant number, since it is smaller than the sum of its proper divisors (392088665968).

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

311311130032 is an equidigital number, since it uses as much as digits as its factorization.

311311130032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56725818 (or 56725798 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 311311130032 its reverse (230031113113), we get a palindrome (541342243145).

The spelling of 311311130032 in words is "three hundred eleven billion, three hundred eleven million, one hundred thirty thousand, thirty-two".