243232214331 has 16 divisors (see below), whose sum is σ = 328797401600. Its totient is φ = 159915701088.

The previous prime is 243232214317. The next prime is 243232214369. The reversal of 243232214331 is 133412232342.

It is a happy number.

It is not a de Polignac number, because 243232214331 - 2¹⁰ = 243232213307 is a prime.

It is a super-2 number, since 2×243232214331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243232214311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393796 + ... + 800961.

It is an arithmetic number, because the mean of its divisors is an integer number (20549837600).

Almost surely, 2^243232214331 is an apocalyptic number.

243232214331 is a deficient number, since it is larger than the sum of its proper divisors (85565187269).

243232214331 is a wasteful number, since it uses less digits than its factorization.

243232214331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195698.

The product of its digits is 20736, while the sum is 30.

Adding to 243232214331 its reverse (133412232342), we get a palindrome (376644446673).

The spelling of 243232214331 in words is "two hundred forty-three billion, two hundred thirty-two million, two hundred fourteen thousand, three hundred thirty-one".