2231304140 has 48 divisors (see below), whose sum is σ = 5311780320. Its totient is φ = 780503040.

The previous prime is 2231304139. The next prime is 2231304151. The reversal of 2231304140 is 414031322.

It is a super-3 number, since 3×2231304140³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220901 + ... + 230780.

It is an arithmetic number, because the mean of its divisors is an integer number (110662090).

Almost surely, 2^2231304140 is an apocalyptic number.

2231304140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231304140 is an abundant number, since it is smaller than the sum of its proper divisors (3080476180).

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

2231304140 is a wasteful number, since it uses less digits than its factorization.

2231304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451722 (or 451720 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2231304140 is about 47236.6821442827. The cubic root of 2231304140 is about 1306.7311894014.

Adding to 2231304140 its reverse (414031322), we get a palindrome (2645335462).

The spelling of 2231304140 in words is "two billion, two hundred thirty-one million, three hundred four thousand, one hundred forty".