2303331320 has 128 divisors (see below), whose sum is σ = 5535129600. Its totient is φ = 860834304.

The previous prime is 2303331313. The next prime is 2303331337. The reversal of 2303331320 is 231333032.

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 = 2303331292 and 2303331301.

It is a congruent number.

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, 10328729 + ... + 10328951.

It is an arithmetic number, because the mean of its divisors is an integer number (43243200).

Almost surely, 2^2303331320 is an apocalyptic number.

2303331320 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 2303331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767564800).

2303331320 is an abundant number, since it is smaller than the sum of its proper divisors (3231798280).

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

2303331320 is a wasteful number, since it uses less digits than its factorization.

2303331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 2303331320 is about 47993.0340778743. The cubic root of 2303331320 is about 1320.6431133109.

Adding to 2303331320 its reverse (231333032), we get a palindrome (2534664352).

The spelling of 2303331320 in words is "two billion, three hundred three million, three hundred thirty-one thousand, three hundred twenty".