2231218341 has 36 divisors (see below), whose sum is σ = 3582453420. Its totient is φ = 1337001600.

The previous prime is 2231218321. The next prime is 2231218343. The reversal of 2231218341 is 1438121322.

2231218341 is a `hidden beast` number, since 2 + 2 + 312 + 1 + 8 + 341 = 666.

2231218341 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 353816100 + 1877402241 = 18810^2 + 43329^2 .

It is not a de Polignac number, because 2231218341 - 2⁶ = 2231218277 is a prime.

It is a super-3 number, since 3×2231218341³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231218343) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85411 + ... + 108431.

It is an arithmetic number, because the mean of its divisors is an integer number (99512595).

Almost surely, 2^2231218341 is an apocalyptic number.

It is an amenable number.

2231218341 is a deficient number, since it is larger than the sum of its proper divisors (1351235079).

2231218341 is a wasteful number, since it uses less digits than its factorization.

2231218341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23138 (or 23124 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2231218341 is about 47235.7739536466. The cubic root of 2231218341 is about 1306.7144402031.

Adding to 2231218341 its reverse (1438121322), we get a palindrome (3669339663).

The spelling of 2231218341 in words is "two billion, two hundred thirty-one million, two hundred eighteen thousand, three hundred forty-one".