311323032030 has 16 divisors (see below), whose sum is σ = 747175276944. Its totient is φ = 83019475200.

The previous prime is 311323032019. The next prime is 311323032089. The reversal of 311323032030 is 30230323113.

It is a junction number, because it is equal to n+sod(n) for n = 311323031988 and 311323032006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188717171 + ... + 5188717230.

It is an arithmetic number, because the mean of its divisors is an integer number (46698454809).

Almost surely, 2^311323032030 is an apocalyptic number.

311323032030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311323032030 is an abundant number, since it is smaller than the sum of its proper divisors (435852244914).

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

311323032030 is a wasteful number, since it uses less digits than its factorization.

311323032030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377434411.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 311323032030 its reverse (30230323113), we get a palindrome (341553355143).

The spelling of 311323032030 in words is "three hundred eleven billion, three hundred twenty-three million, thirty-two thousand, thirty".