1343431312 has 40 divisors (see below), whose sum is σ = 2624990720. Its totient is φ = 666040320.

The previous prime is 1343431301. The next prime is 1343431321. The reversal of 1343431312 is 2131343431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355137 + ... + 1356127.

It is an arithmetic number, because the mean of its divisors is an integer number (65624768).

Almost surely, 2^1343431312 is an apocalyptic number.

It is an amenable number.

1343431312 is a deficient number, since it is larger than the sum of its proper divisors (1281559408).

1343431312 is a wasteful number, since it uses less digits than its factorization.

1343431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1625 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 1343431312 is about 36652.8486205370. The cubic root of 1343431312 is about 1103.4139970984.

Adding to 1343431312 its reverse (2131343431), we get a palindrome (3474774743).

The spelling of 1343431312 in words is "one billion, three hundred forty-three million, four hundred thirty-one thousand, three hundred twelve".