310223312120 has 32 divisors (see below), whose sum is σ = 711172314720. Its totient is φ = 121748016000.

The previous prime is 310223312039. The next prime is 310223312129. The reversal of 310223312120 is 21213322013.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 310223312092 and 310223312101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310223312129) 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, 73163756 + ... + 73167995.

It is an arithmetic number, because the mean of its divisors is an integer number (22224134835).

Almost surely, 2^310223312120 is an apocalyptic number.

It is an amenable number.

310223312120 is an abundant number, since it is smaller than the sum of its proper divisors (400949002600).

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

310223312120 is a wasteful number, since it uses less digits than its factorization.

310223312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146331815 (or 146331811 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 310223312120 its reverse (21213322013), we get a palindrome (331436634133).

The spelling of 310223312120 in words is "three hundred ten billion, two hundred twenty-three million, three hundred twelve thousand, one hundred twenty".