243214002331 has 2 divisors, whose sum is σ = 243214002332. Its totient is φ = 243214002330.

The previous prime is 243214002319. The next prime is 243214002337. The reversal of 243214002331 is 133200412342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243214002331 - 2⁷ = 243214002203 is a prime.

It is a super-2 number, since 2×243214002331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243214002296 and 243214002305.

It is not a weakly prime, because it can be changed into another prime (243214002337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121607001165 + 121607001166.

It is an arithmetic number, because the mean of its divisors is an integer number (121607001166).

Almost surely, 2^243214002331 is an apocalyptic number.

243214002331 is a deficient number, since it is larger than the sum of its proper divisors (1).

243214002331 is an equidigital number, since it uses as much as digits as its factorization.

243214002331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243214002331 its reverse (133200412342), we get a palindrome (376414414673).

The spelling of 243214002331 in words is "two hundred forty-three billion, two hundred fourteen million, two thousand, three hundred thirty-one".