1344431133 has 6 divisors (see below), whose sum is σ = 1941956094. Its totient is φ = 896287416.

The previous prime is 1344431093. The next prime is 1344431141. The reversal of 1344431133 is 3311344431.

1344431133 is a `hidden beast` number, since 1 + 344 + 4 + 311 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1329477444 + 14953689 = 36462^2 + 3867^2 .

It is not a de Polignac number, because 1344431133 - 2⁹ = 1344430621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1344431097 and 1344431106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344431233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74690610 + ... + 74690627.

It is an arithmetic number, because the mean of its divisors is an integer number (323659349).

Almost surely, 2^1344431133 is an apocalyptic number.

It is an amenable number.

1344431133 is a deficient number, since it is larger than the sum of its proper divisors (597524961).

1344431133 is a wasteful number, since it uses less digits than its factorization.

1344431133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149381243 (or 149381240 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1344431133 is about 36666.4851465204. The cubic root of 1344431133 is about 1103.6876602442.

Adding to 1344431133 its reverse (3311344431), we get a palindrome (4655775564).

The spelling of 1344431133 in words is "one billion, three hundred forty-four million, four hundred thirty-one thousand, one hundred thirty-three".