2301121320 has 64 divisors (see below), whose sum is σ = 7126064640. Its totient is φ = 593836800.

The previous prime is 2301121313. The next prime is 2301121321. The reversal of 2301121320 is 231211032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2301121320.

It is not an unprimeable number, because it can be changed into a prime (2301121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305571 + ... + 313010.

It is an arithmetic number, because the mean of its divisors is an integer number (111344760).

Almost surely, 2^2301121320 is an apocalyptic number.

2301121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301121320 is an abundant number, since it is smaller than the sum of its proper divisors (4824943320).

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

2301121320 is a wasteful number, since it uses less digits than its factorization.

2301121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618626 (or 618622 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2301121320 is about 47970.0043777359. The cubic root of 2301121320 is about 1320.2206013307.

Adding to 2301121320 its reverse (231211032), we get a palindrome (2532332352).

The spelling of 2301121320 in words is "two billion, three hundred one million, one hundred twenty-one thousand, three hundred twenty".