1431314447 has 2 divisors, whose sum is σ = 1431314448. Its totient is φ = 1431314446.

The previous prime is 1431314419. The next prime is 1431314477. The reversal of 1431314447 is 7444131341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1431314447 - 2²⁸ = 1162878991 is a prime.

It is a super-2 number, since 2×1431314447² = 4097322092381831618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431314407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715657223 + 715657224.

It is an arithmetic number, because the mean of its divisors is an integer number (715657224).

Almost surely, 2^1431314447 is an apocalyptic number.

1431314447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431314447 is an equidigital number, since it uses as much as digits as its factorization.

1431314447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 1431314447 is about 37832.7166219927. The cubic root of 1431314447 is about 1126.9682605977.

Adding to 1431314447 its reverse (7444131341), we get a palindrome (8875445788).

The spelling of 1431314447 in words is "one billion, four hundred thirty-one million, three hundred fourteen thousand, four hundred forty-seven".