231141451 has 2 divisors, whose sum is σ = 231141452. Its totient is φ = 231141450.

The previous prime is 231141437. The next prime is 231141457. The reversal of 231141451 is 154141132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231141451 - 2⁹ = 231140939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231141457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115570725 + 115570726.

It is an arithmetic number, because the mean of its divisors is an integer number (115570726).

Almost surely, 2^231141451 is an apocalyptic number.

231141451 is a deficient number, since it is larger than the sum of its proper divisors (1).

231141451 is an equidigital number, since it uses as much as digits as its factorization.

231141451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 231141451 is about 15203.3368376814. The cubic root of 231141451 is about 613.7044585237.

Adding to 231141451 its reverse (154141132), we get a palindrome (385282583).

The spelling of 231141451 in words is "two hundred thirty-one million, one hundred forty-one thousand, four hundred fifty-one".