323111101232220 has 72 divisors (see below), whose sum is σ = 1052419015451664. Its totient is φ = 73853965995264.

The previous prime is 323111101232207. The next prime is 323111101232273. The reversal of 323111101232220 is 22232101111323.

It is a super-2 number, since 2×323111101232220² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54950864617 + ... + 54950870496.

It is an arithmetic number, because the mean of its divisors is an integer number (14616930770162).

Almost surely, 2^{323111101232220} is an apocalyptic number.

323111101232220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323111101232220 is an abundant number, since it is smaller than the sum of its proper divisors (729307914219444).

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

323111101232220 is a wasteful number, since it uses less digits than its factorization.

323111101232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109901735139 (or 109901735130 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 323111101232220 its reverse (22232101111323), we get a palindrome (345343202343543).

The spelling of 323111101232220 in words is "three hundred twenty-three trillion, one hundred eleven billion, one hundred one million, two hundred thirty-two thousand, two hundred twenty".