2331320 has 32 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 924288.

The previous prime is 2331299. The next prime is 2331323. The reversal of 2331320 is 231332.

It is a junction number, because it is equal to n+sod(n) for n = 2331295 and 2331304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331323) 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, 6506 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (165375).

2^2331320 is an apocalyptic number.

2331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331320 is an abundant number, since it is smaller than the sum of its proper divisors (2960680).

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

2331320 is a wasteful number, since it uses less digits than its factorization.

2331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2331320 is about 1526.8660714025. The cubic root of 2331320 is about 132.5970808643.

Adding to 2331320 its reverse (231332), we get a palindrome (2562652).

The spelling of 2331320 in words is "two million, three hundred thirty-one thousand, three hundred twenty".