431110125541 has 2 divisors, whose sum is σ = 431110125542. Its totient is φ = 431110125540.

The previous prime is 431110125517. The next prime is 431110125547. The reversal of 431110125541 is 145521011134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329303822500 + 101806303041 = 573850^2 + 319071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431110125541 is a prime.

It is a super-3 number, since 3×431110125541³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431110125547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215555062770 + 215555062771.

It is an arithmetic number, because the mean of its divisors is an integer number (215555062771).

Almost surely, 2^431110125541 is an apocalyptic number.

It is an amenable number.

431110125541 is a deficient number, since it is larger than the sum of its proper divisors (1).

431110125541 is an equidigital number, since it uses as much as digits as its factorization.

431110125541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 431110125541 its reverse (145521011134), we get a palindrome (576631136675).

The spelling of 431110125541 in words is "four hundred thirty-one billion, one hundred ten million, one hundred twenty-five thousand, five hundred forty-one".