2313230111220 has 144 divisors (see below), whose sum is σ = 7564541358528. Its totient is φ = 526631616000.

The previous prime is 2313230111219. The next prime is 2313230111233. The reversal of 2313230111220 is 221110323132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 829417 + ... + 2305296.

It is an arithmetic number, because the mean of its divisors is an integer number (52531537212).

Almost surely, 2^{2313230111220} is an apocalyptic number.

2313230111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313230111220 is an abundant number, since it is smaller than the sum of its proper divisors (5251311247308).

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

2313230111220 is a wasteful number, since it uses less digits than its factorization.

2313230111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134990 (or 3134981 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2313230111220 its reverse (221110323132), we get a palindrome (2534340434352).

The spelling of 2313230111220 in words is "two trillion, three hundred thirteen billion, two hundred thirty million, one hundred eleven thousand, two hundred twenty".