431103137 has 2 divisors, whose sum is σ = 431103138. Its totient is φ = 431103136.

The previous prime is 431103131. The next prime is 431103157. The reversal of 431103137 is 731301134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266211856 + 164891281 = 16316^2 + 12841^2 .

It is a cyclic number.

It is not a de Polignac number, because 431103137 - 2⁴ = 431103121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (431103131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215551568 + 215551569.

It is an arithmetic number, because the mean of its divisors is an integer number (215551569).

Almost surely, 2^431103137 is an apocalyptic number.

It is an amenable number.

431103137 is a deficient number, since it is larger than the sum of its proper divisors (1).

431103137 is an equidigital number, since it uses as much as digits as its factorization.

431103137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 431103137 is about 20763.0233106838. The cubic root of 431103137 is about 755.4291301932.

The spelling of 431103137 in words is "four hundred thirty-one million, one hundred three thousand, one hundred thirty-seven".