1431420213 has 32 divisors (see below), whose sum is σ = 2047731840. Its totient is φ = 886261760.

The previous prime is 1431420209. The next prime is 1431420217. The reversal of 1431420213 is 3120241341.

It is an interprime number because it is at equal distance from previous prime (1431420209) and next prime (1431420217).

It is a cyclic number.

It is not a de Polignac number, because 1431420213 - 2² = 1431420209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431420213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431420217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2515393 + ... + 2515961.

It is an arithmetic number, because the mean of its divisors is an integer number (63991620).

Almost surely, 2^1431420213 is an apocalyptic number.

It is an amenable number.

1431420213 is a deficient number, since it is larger than the sum of its proper divisors (616311627).

1431420213 is a wasteful number, since it uses less digits than its factorization.

1431420213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1431420213 is about 37834.1144075027. The cubic root of 1431420213 is about 1126.9960187630.

Adding to 1431420213 its reverse (3120241341), we get a palindrome (4551661554).

The spelling of 1431420213 in words is "one billion, four hundred thirty-one million, four hundred twenty thousand, two hundred thirteen".