431107051 has 2 divisors, whose sum is σ = 431107052. Its totient is φ = 431107050.

The previous prime is 431107043. The next prime is 431107057. The reversal of 431107051 is 150701134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431107051 - 2³ = 431107043 is a prime.

It is not a weakly prime, because it can be changed into another prime (431107057) 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, 215553525 + 215553526.

It is an arithmetic number, because the mean of its divisors is an integer number (215553526).

Almost surely, 2^431107051 is an apocalyptic number.

431107051 is a deficient number, since it is larger than the sum of its proper divisors (1).

431107051 is an equidigital number, since it uses as much as digits as its factorization.

431107051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 431107051 is about 20763.1175645663. The cubic root of 431107051 is about 755.4314163751.

Adding to 431107051 its reverse (150701134), we get a palindrome (581808185).

The spelling of 431107051 in words is "four hundred thirty-one million, one hundred seven thousand, fifty-one".