2231011320 has 64 divisors (see below), whose sum is σ = 7086748320. Its totient is φ = 559939584.

The previous prime is 2231011297. The next prime is 2231011333. The reversal of 2231011320 is 231101322.

It is a super-3 number, since 3×2231011320³ (a number of 29 digits) contains 333 as substring.

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 2231011320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544777 + ... + 548856.

Almost surely, 2^2231011320 is an apocalyptic number.

2231011320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231011320 is an abundant number, since it is smaller than the sum of its proper divisors (4855737000).

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

2231011320 is a wasteful number, since it uses less digits than its factorization.

2231011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093664 (or 1093660 counting only the distinct ones).

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

The square root of 2231011320 is about 47233.5825446260. The cubic root of 2231011320 is about 1306.6740249597.

Adding to 2231011320 its reverse (231101322), we get a palindrome (2462112642).

The spelling of 2231011320 in words is "two billion, two hundred thirty-one million, eleven thousand, three hundred twenty".