431201121100133 has 2 divisors, whose sum is σ = 431201121100134. Its totient is φ = 431201121100132.

The previous prime is 431201121100073. The next prime is 431201121100151. The reversal of 431201121100133 is 331001121102134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262075205655169 + 169125915444964 = 16188737^2 + 13004842^2 .

It is a cyclic number.

It is not a de Polignac number, because 431201121100133 - 2¹⁴ = 431201121083749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431201121100099 and 431201121100108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431201121100933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215600560550066 + 215600560550067.

It is an arithmetic number, because the mean of its divisors is an integer number (215600560550067).

Almost surely, 2^{431201121100133} is an apocalyptic number.

It is an amenable number.

431201121100133 is a deficient number, since it is larger than the sum of its proper divisors (1).

431201121100133 is an equidigital number, since it uses as much as digits as its factorization.

431201121100133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 431201121100133 its reverse (331001121102134), we get a palindrome (762202242202267).

The spelling of 431201121100133 in words is "four hundred thirty-one trillion, two hundred one billion, one hundred twenty-one million, one hundred thousand, one hundred thirty-three".