2310331201220 has 96 divisors (see below), whose sum is σ = 5650970427648. Its totient is φ = 776953861632.

The previous prime is 2310331201219. The next prime is 2310331201259. The reversal of 2310331201220 is 221021330132.

2310331201220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2310331201192 and 2310331201201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28132739 + ... + 28214741.

It is an arithmetic number, because the mean of its divisors is an integer number (58864275288).

Almost surely, 2^{2310331201220} is an apocalyptic number.

2310331201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2310331201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825485213824).

2310331201220 is an abundant number, since it is smaller than the sum of its proper divisors (3340639226428).

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

2310331201220 is a wasteful number, since it uses less digits than its factorization.

2310331201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85869 (or 85867 counting only the distinct ones).

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

Adding to 2310331201220 its reverse (221021330132), we get a palindrome (2531352531352).

The spelling of 2310331201220 in words is "two trillion, three hundred ten billion, three hundred thirty-one million, two hundred one thousand, two hundred twenty".