1431342109 has 2 divisors, whose sum is σ = 1431342110. Its totient is φ = 1431342108.

The previous prime is 1431342091. The next prime is 1431342167. The reversal of 1431342109 is 9012431341.

Together with previous prime (1431342091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1091972025 + 339370084 = 33045^2 + 18422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431342109 - 2⁷ = 1431341981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431346109) 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, 715671054 + 715671055.

It is an arithmetic number, because the mean of its divisors is an integer number (715671055).

Almost surely, 2^1431342109 is an apocalyptic number.

It is an amenable number.

1431342109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431342109 is an equidigital number, since it uses as much as digits as its factorization.

1431342109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1431342109 is about 37833.0822032781. The cubic root of 1431342109 is about 1126.9755205899.

The spelling of 1431342109 in words is "one billion, four hundred thirty-one million, three hundred forty-two thousand, one hundred nine".