2323131220 has 24 divisors (see below), whose sum is σ = 4880988000. Its totient is φ = 928792992.

The previous prime is 2323131203. The next prime is 2323131221. The reversal of 2323131220 is 221313232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323131221) 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, 14311 + ... + 69649.

It is an arithmetic number, because the mean of its divisors is an integer number (203374500).

Almost surely, 2^2323131220 is an apocalyptic number.

2323131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323131220 is an abundant number, since it is smaller than the sum of its proper divisors (2557856780).

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

2323131220 is a wasteful number, since it uses less digits than its factorization.

2323131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57447 (or 57445 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2323131220 is about 48198.8715635543. The cubic root of 2323131220 is about 1324.4164930417.

Adding to 2323131220 its reverse (221313232), we get a palindrome (2544444452).

The spelling of 2323131220 in words is "two billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty".