1431316133 has 4 divisors (see below), whose sum is σ = 1541417388. Its totient is φ = 1321214880.

The previous prime is 1431316123. The next prime is 1431316153. The reversal of 1431316133 is 3316131341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3316131341 = 349 ⋅9501809.

It can be written as a sum of positive squares in 2 ways, for example, as 58094884 + 1373221249 = 7622^2 + 37057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431316133 - 2⁶ = 1431316069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431316123) 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, 55050608 + ... + 55050633.

It is an arithmetic number, because the mean of its divisors is an integer number (385354347).

Almost surely, 2^1431316133 is an apocalyptic number.

1431316133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1431316133 is a deficient number, since it is larger than the sum of its proper divisors (110101255).

1431316133 is a wasteful number, since it uses less digits than its factorization.

1431316133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110101254.

The product of its digits is 1944, while the sum is 26.

The square root of 1431316133 is about 37832.7389042876. The cubic root of 1431316133 is about 1126.9687030972.

Adding to 1431316133 its reverse (3316131341), we get a palindrome (4747447474).

The spelling of 1431316133 in words is "one billion, four hundred thirty-one million, three hundred sixteen thousand, one hundred thirty-three".