311232321030 has 32 divisors (see below), whose sum is σ = 790896252384. Its totient is φ = 78113209856.

The previous prime is 311232320941. The next prime is 311232321053. The reversal of 311232321030 is 30123232113.

It is a junction number, because it is equal to n+sod(n) for n = 311232320988 and 311232321006.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 305129217 + ... + 305130236.

It is an arithmetic number, because the mean of its divisors is an integer number (24715507887).

Almost surely, 2^311232321030 is an apocalyptic number.

311232321030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311232321030 is an abundant number, since it is smaller than the sum of its proper divisors (479663931354).

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

311232321030 is a wasteful number, since it uses less digits than its factorization.

311232321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610259480.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 311232321030 its reverse (30123232113), we get a palindrome (341355553143).

The spelling of 311232321030 in words is "three hundred eleven billion, two hundred thirty-two million, three hundred twenty-one thousand, thirty".