431065134541 has 2 divisors, whose sum is σ = 431065134542. Its totient is φ = 431065134540.

The previous prime is 431065134491. The next prime is 431065134587. The reversal of 431065134541 is 145431560134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263985302025 + 167079832516 = 513795^2 + 408754^2 .

It is a cyclic number.

It is not a de Polignac number, because 431065134541 - 2⁹ = 431065134029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431065134541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431065234541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215532567270 + 215532567271.

It is an arithmetic number, because the mean of its divisors is an integer number (215532567271).

Almost surely, 2^431065134541 is an apocalyptic number.

It is an amenable number.

431065134541 is a deficient number, since it is larger than the sum of its proper divisors (1).

431065134541 is an equidigital number, since it uses as much as digits as its factorization.

431065134541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 431065134541 its reverse (145431560134), we get a palindrome (576496694675).

The spelling of 431065134541 in words is "four hundred thirty-one billion, sixty-five million, one hundred thirty-four thousand, five hundred forty-one".