1431342213 has 16 divisors (see below), whose sum is σ = 2182139520. Its totient is φ = 817517376.

The previous prime is 1431342193. The next prime is 1431342229. The reversal of 1431342213 is 3122431341.

It is a happy number.

It is not a de Polignac number, because 1431342213 - 2²¹ = 1429245061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431342293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31743 + ... + 62211.

It is an arithmetic number, because the mean of its divisors is an integer number (136383720).

Almost surely, 2^1431342213 is an apocalyptic number.

It is an amenable number.

1431342213 is a deficient number, since it is larger than the sum of its proper divisors (750797307).

1431342213 is a wasteful number, since it uses less digits than its factorization.

1431342213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32716.

The product of its digits is 1728, while the sum is 24.

The square root of 1431342213 is about 37833.0835777366. The cubic root of 1431342213 is about 1126.9755478849.

Adding to 1431342213 its reverse (3122431341), we get a palindrome (4553773554).

The spelling of 1431342213 in words is "one billion, four hundred thirty-one million, three hundred forty-two thousand, two hundred thirteen".