1431011047 has 2 divisors, whose sum is σ = 1431011048. Its totient is φ = 1431011046.

The previous prime is 1431011041. The next prime is 1431011053. The reversal of 1431011047 is 7401101341.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1431011041) and next prime (1431011053).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431011047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431011041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715505523 + 715505524.

It is an arithmetic number, because the mean of its divisors is an integer number (715505524).

Almost surely, 2^1431011047 is an apocalyptic number.

1431011047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431011047 is an equidigital number, since it uses as much as digits as its factorization.

1431011047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1431011047 is about 37828.7066524881. The cubic root of 1431011047 is about 1126.8886260275. Note that the first 3 decimals are identical.

Adding to 1431011047 its reverse (7401101341), we get a palindrome (8832112388).

The spelling of 1431011047 in words is "one billion, four hundred thirty-one million, eleven thousand, forty-seven".