231603041 has 2 divisors, whose sum is σ = 231603042. Its totient is φ = 231603040.

The previous prime is 231603037. The next prime is 231603049. The reversal of 231603041 is 140306132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228644641 + 2958400 = 15121^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 231603041 - 2² = 231603037 is a prime.

It is not a weakly prime, because it can be changed into another prime (231603049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115801520 + 115801521.

It is an arithmetic number, because the mean of its divisors is an integer number (115801521).

Almost surely, 2^231603041 is an apocalyptic number.

It is an amenable number.

231603041 is a deficient number, since it is larger than the sum of its proper divisors (1).

231603041 is an equidigital number, since it uses as much as digits as its factorization.

231603041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 231603041 is about 15218.5098153531. The cubic root of 231603041 is about 614.1127099480.

Adding to 231603041 its reverse (140306132), we get a palindrome (371909173).

The spelling of 231603041 in words is "two hundred thirty-one million, six hundred three thousand, forty-one".