431166103 has 2 divisors, whose sum is σ = 431166104. Its totient is φ = 431166102.

The previous prime is 431166089. The next prime is 431166157. The reversal of 431166103 is 301661134.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431166103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431166163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215583051 + 215583052.

It is an arithmetic number, because the mean of its divisors is an integer number (215583052).

Almost surely, 2^431166103 is an apocalyptic number.

431166103 is a deficient number, since it is larger than the sum of its proper divisors (1).

431166103 is an equidigital number, since it uses as much as digits as its factorization.

431166103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 431166103 is about 20764.5395566576. The cubic root of 431166103 is about 755.4659071891.

The spelling of 431166103 in words is "four hundred thirty-one million, one hundred sixty-six thousand, one hundred three".