1343311272 has 24 divisors (see below), whose sum is σ = 3638134890. Its totient is φ = 447770400.

The previous prime is 1343311261. The next prime is 1343311273. The reversal of 1343311272 is 2721133431.

It is a happy number.

1343311272 is a `hidden beast` number, since 1 + 343 + 311 + 2 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1169229636 + 174081636 = 34194^2 + 13194^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1343311273) 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, 9328479 + ... + 9328622.

Almost surely, 2^1343311272 is an apocalyptic number.

1343311272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1343311272 is an abundant number, since it is smaller than the sum of its proper divisors (2294823618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343311272 is a wasteful number, since it uses less digits than its factorization.

1343311272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18657113 (or 18657106 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1343311272 is about 36651.2110577536. The cubic root of 1343311272 is about 1103.3811315646.

The spelling of 1343311272 in words is "one billion, three hundred forty-three million, three hundred eleven thousand, two hundred seventy-two".