2321310420 has 384 divisors, whose sum is σ = 8860078080. Its totient is φ = 496488960.

The previous prime is 2321310419. The next prime is 2321310421. The reversal of 2321310420 is 240131232.

2321310420 is a `hidden beast` number, since 23 + 213 + 10 + 420 = 666.

It is an interprime number because it is at equal distance from previous prime (2321310419) and next prime (2321310421).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2321310393 and 2321310402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321310421) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1775407 + ... + 1776713.

It is an arithmetic number, because the mean of its divisors is an integer number (23073120).

Almost surely, 2^2321310420 is an apocalyptic number.

2321310420 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 2321310420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4430039040).

2321310420 is an abundant number, since it is smaller than the sum of its proper divisors (6538767660).

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

2321310420 is a wasteful number, since it uses less digits than its factorization.

2321310420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2321310420 is about 48179.9794520504. The cubic root of 2321310420 is about 1324.0703900718.

Adding to 2321310420 its reverse (240131232), we get a palindrome (2561441652).

It can be divided in two parts, 23213104 and 20, that added together give a square (23213124 = 4818²).

The spelling of 2321310420 in words is "two billion, three hundred twenty-one million, three hundred ten thousand, four hundred twenty".