2231321460 has 48 divisors (see below), whose sum is σ = 6252120000. Its totient is φ = 594598144.

The previous prime is 2231321459. The next prime is 2231321461. The reversal of 2231321460 is 641231322.

It is an interprime number because it is at equal distance from previous prime (2231321459) and next prime (2231321461).

It is a super-3 number, since 3×2231321460³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231321460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231321461) by changing a digit.

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, 77536 + ... + 102344.

It is an arithmetic number, because the mean of its divisors is an integer number (130252500).

Almost surely, 2^2231321460 is an apocalyptic number.

2231321460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231321460 is an abundant number, since it is smaller than the sum of its proper divisors (4020798540).

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

2231321460 is a wasteful number, since it uses less digits than its factorization.

2231321460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26320 (or 26318 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2231321460 is about 47236.8654760241. The cubic root of 2231321460 is about 1306.7345704623.

Adding to 2231321460 its reverse (641231322), we get a palindrome (2872552782).

The spelling of 2231321460 in words is "two billion, two hundred thirty-one million, three hundred twenty-one thousand, four hundred sixty".