431015254541 has 2 divisors, whose sum is σ = 431015254542. Its totient is φ = 431015254540.

The previous prime is 431015254531. The next prime is 431015254561. The reversal of 431015254541 is 145452510134.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233008944100 + 198006310441 = 482710^2 + 444979^2 .

It is a cyclic number.

It is not a de Polignac number, because 431015254541 - 2³⁰ = 429941512717 is a prime.

It is a super-2 number, since 2×431015254541² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431015254511) 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, 215507627270 + 215507627271.

It is an arithmetic number, because the mean of its divisors is an integer number (215507627271).

Almost surely, 2^431015254541 is an apocalyptic number.

It is an amenable number.

431015254541 is a deficient number, since it is larger than the sum of its proper divisors (1).

431015254541 is an equidigital number, since it uses as much as digits as its factorization.

431015254541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 431015254541 its reverse (145452510134), we get a palindrome (576467764675).

The spelling of 431015254541 in words is "four hundred thirty-one billion, fifteen million, two hundred fifty-four thousand, five hundred forty-one".