231040151 has 2 divisors, whose sum is σ = 231040152. Its totient is φ = 231040150.

The previous prime is 231040097. The next prime is 231040153. The reversal of 231040151 is 151040132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231040151 - 2⁶ = 231040087 is a prime.

Together with 231040153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231040153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115520075 + 115520076.

It is an arithmetic number, because the mean of its divisors is an integer number (115520076).

Almost surely, 2^231040151 is an apocalyptic number.

231040151 is a deficient number, since it is larger than the sum of its proper divisors (1).

231040151 is an equidigital number, since it uses as much as digits as its factorization.

231040151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 231040151 is about 15200.0049671045. The cubic root of 231040151 is about 613.6147914309.

Adding to 231040151 its reverse (151040132), we get a palindrome (382080283).

The spelling of 231040151 in words is "two hundred thirty-one million, forty thousand, one hundred fifty-one".