1431441197 has 2 divisors, whose sum is σ = 1431441198. Its totient is φ = 1431441196.

The previous prime is 1431441181. The next prime is 1431441227. The reversal of 1431441197 is 7911441341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 923795236 + 507645961 = 30394^2 + 22531^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431441197 - 2⁴ = 1431441181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431441127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715720598 + 715720599.

It is an arithmetic number, because the mean of its divisors is an integer number (715720599).

Almost surely, 2^1431441197 is an apocalyptic number.

It is an amenable number.

1431441197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431441197 is an equidigital number, since it uses as much as digits as its factorization.

1431441197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 1431441197 is about 37834.3917223470. The cubic root of 1431441197 is about 1127.0015258272.

The spelling of 1431441197 in words is "one billion, four hundred thirty-one million, four hundred forty-one thousand, one hundred ninety-seven".