431463121 has 2 divisors, whose sum is σ = 431463122. Its totient is φ = 431463120.

The previous prime is 431463101. The next prime is 431463127. The reversal of 431463121 is 121364134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397404225 + 34058896 = 19935^2 + 5836^2 .

It is a cyclic number.

It is not a de Polignac number, because 431463121 - 2¹¹ = 431461073 is a prime.

It is not a weakly prime, because it can be changed into another prime (431463127) 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, 215731560 + 215731561.

It is an arithmetic number, because the mean of its divisors is an integer number (215731561).

Almost surely, 2^431463121 is an apocalyptic number.

It is an amenable number.

431463121 is a deficient number, since it is larger than the sum of its proper divisors (1).

431463121 is an equidigital number, since it uses as much as digits as its factorization.

431463121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 431463121 is about 20771.6903741607. The cubic root of 431463121 is about 755.6393403250.

The spelling of 431463121 in words is "four hundred thirty-one million, four hundred sixty-three thousand, one hundred twenty-one".