331025141 has 2 divisors, whose sum is σ = 331025142. Its totient is φ = 331025140.

The previous prime is 331025117. The next prime is 331025153. The reversal of 331025141 is 141520133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241647025 + 89378116 = 15545^2 + 9454^2 .

It is a cyclic number.

It is not a de Polignac number, because 331025141 - 2⁶ = 331025077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331025041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165512570 + 165512571.

It is an arithmetic number, because the mean of its divisors is an integer number (165512571).

Almost surely, 2^331025141 is an apocalyptic number.

It is an amenable number.

331025141 is a deficient number, since it is larger than the sum of its proper divisors (1).

331025141 is an equidigital number, since it uses as much as digits as its factorization.

331025141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 331025141 is about 18194.0963227086. The cubic root of 331025141 is about 691.7571548392.

Adding to 331025141 its reverse (141520133), we get a palindrome (472545274).

The spelling of 331025141 in words is "three hundred thirty-one million, twenty-five thousand, one hundred forty-one".