231241140233 has 2 divisors, whose sum is σ = 231241140234. Its totient is φ = 231241140232.

The previous prime is 231241140227. The next prime is 231241140253. The reversal of 231241140233 is 332041142132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219818447104 + 11422693129 = 468848^2 + 106877^2 .

It is a cyclic number.

It is not a de Polignac number, because 231241140233 - 2⁴ = 231241140217 is a prime.

It is not a weakly prime, because it can be changed into another prime (231241140203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620570116 + 115620570117.

It is an arithmetic number, because the mean of its divisors is an integer number (115620570117).

Almost surely, 2^231241140233 is an apocalyptic number.

It is an amenable number.

231241140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

231241140233 is an equidigital number, since it uses as much as digits as its factorization.

231241140233 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 26.

Adding to 231241140233 its reverse (332041142132), we get a palindrome (563282282365).

The spelling of 231241140233 in words is "two hundred thirty-one billion, two hundred forty-one million, one hundred forty thousand, two hundred thirty-three".