431041031 has 2 divisors, whose sum is σ = 431041032. Its totient is φ = 431041030.

The previous prime is 431040931. The next prime is 431041063. The reversal of 431041031 is 130140134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431041031 - 2¹⁰ = 431040007 is a prime.

It is a super-2 number, since 2×431041031² = 371592740811085922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431041531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215520515 + 215520516.

It is an arithmetic number, because the mean of its divisors is an integer number (215520516).

Almost surely, 2^431041031 is an apocalyptic number.

431041031 is a deficient number, since it is larger than the sum of its proper divisors (1).

431041031 is an equidigital number, since it uses as much as digits as its factorization.

431041031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 431041031 is about 20761.5276653718. The cubic root of 431041031 is about 755.3928519953.

Adding to 431041031 its reverse (130140134), we get a palindrome (561181165).

The spelling of 431041031 in words is "four hundred thirty-one million, forty-one thousand, thirty-one".