1431322133 has 4 divisors (see below), whose sum is σ = 1431414348. Its totient is φ = 1431229920.

The previous prime is 1431322121. The next prime is 1431322141. The reversal of 1431322133 is 3312231341.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1050213649 + 381108484 = 32407^2 + 19522^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431322133 - 2¹⁰ = 1431321109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1431322099 and 1431322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431322163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16478 + ... + 55983.

It is an arithmetic number, because the mean of its divisors is an integer number (357853587).

Almost surely, 2^1431322133 is an apocalyptic number.

It is an amenable number.

1431322133 is a deficient number, since it is larger than the sum of its proper divisors (92215).

1431322133 is an equidigital number, since it uses as much as digits as its factorization.

1431322133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92214.

The product of its digits is 1296, while the sum is 23.

The square root of 1431322133 is about 37832.8182006046. The cubic root of 1431322133 is about 1126.9702778256.

Adding to 1431322133 its reverse (3312231341), we get a palindrome (4743553474).

The spelling of 1431322133 in words is "one billion, four hundred thirty-one million, three hundred twenty-two thousand, one hundred thirty-three".