1431422213 has 4 divisors (see below), whose sum is σ = 1541531628. Its totient is φ = 1321312800.

The previous prime is 1431422159. The next prime is 1431422221. The reversal of 1431422213 is 3122241341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3122241341 = 1831 ⋅1705211.

It can be written as a sum of positive squares in 2 ways, for example, as 445336609 + 986085604 = 21103^2 + 31402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431422213 - 2¹⁸ = 1431160069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431421213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55054688 + ... + 55054713.

It is an arithmetic number, because the mean of its divisors is an integer number (385382907).

Almost surely, 2^1431422213 is an apocalyptic number.

1431422213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1431422213 is a deficient number, since it is larger than the sum of its proper divisors (110109415).

1431422213 is a wasteful number, since it uses less digits than its factorization.

1431422213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110109414.

The product of its digits is 1152, while the sum is 23.

The square root of 1431422213 is about 37834.1408386658. The cubic root of 1431422213 is about 1126.9965436476.

Adding to 1431422213 its reverse (3122241341), we get a palindrome (4553663554).

The spelling of 1431422213 in words is "one billion, four hundred thirty-one million, four hundred twenty-two thousand, two hundred thirteen".