431325266101 has 2 divisors, whose sum is σ = 431325266102. Its totient is φ = 431325266100.

The previous prime is 431325266083. The next prime is 431325266117. The reversal of 431325266101 is 101662523134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428502469201 + 2822796900 = 654601^2 + 53130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431325266101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431325246101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215662633050 + 215662633051.

It is an arithmetic number, because the mean of its divisors is an integer number (215662633051).

Almost surely, 2^431325266101 is an apocalyptic number.

It is an amenable number.

431325266101 is a deficient number, since it is larger than the sum of its proper divisors (1).

431325266101 is an equidigital number, since it uses as much as digits as its factorization.

431325266101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 431325266101 its reverse (101662523134), we get a palindrome (532987789235).

The spelling of 431325266101 in words is "four hundred thirty-one billion, three hundred twenty-five million, two hundred sixty-six thousand, one hundred one".