231235049 has 2 divisors, whose sum is σ = 231235050. Its totient is φ = 231235048.

The previous prime is 231235027. The next prime is 231235057. The reversal of 231235049 is 940532132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199515625 + 31719424 = 14125^2 + 5632^2 .

It is a cyclic number.

It is not a de Polignac number, because 231235049 - 2¹⁶ = 231169513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231235349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115617524 + 115617525.

It is an arithmetic number, because the mean of its divisors is an integer number (115617525).

Almost surely, 2^231235049 is an apocalyptic number.

It is an amenable number.

231235049 is a deficient number, since it is larger than the sum of its proper divisors (1).

231235049 is an equidigital number, since it uses as much as digits as its factorization.

231235049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 231235049 is about 15206.4147319478. The cubic root of 231235049 is about 613.7872848017.

The spelling of 231235049 in words is "two hundred thirty-one million, two hundred thirty-five thousand, forty-nine".