1431430213 has 2 divisors, whose sum is σ = 1431430214. Its totient is φ = 1431430212.

The previous prime is 1431430207. The next prime is 1431430229. The reversal of 1431430213 is 3120341341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1425968644 + 5461569 = 37762^2 + 2337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431430213 - 2⁵ = 1431430181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431430513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715715106 + 715715107.

It is an arithmetic number, because the mean of its divisors is an integer number (715715107).

Almost surely, 2^1431430213 is an apocalyptic number.

It is an amenable number.

1431430213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431430213 is an equidigital number, since it uses as much as digits as its factorization.

1431430213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1431430213 is about 37834.2465631338. The cubic root of 1431430213 is about 1126.9986431808.

Adding to 1431430213 its reverse (3120341341), we get a palindrome (4551771554).

The spelling of 1431430213 in words is "one billion, four hundred thirty-one million, four hundred thirty thousand, two hundred thirteen".