1343140312 has 16 divisors (see below), whose sum is σ = 2519314200. Its totient is φ = 671323200.

The previous prime is 1343140289. The next prime is 1343140321. The reversal of 1343140312 is 2130413431.

It is a congruent number.

It is an unprimeable number.

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, 6637 + ... + 52252.

Almost surely, 2^1343140312 is an apocalyptic number.

It is an amenable number.

1343140312 is a deficient number, since it is larger than the sum of its proper divisors (1176173888).

1343140312 is a wasteful number, since it uses less digits than its factorization.

1343140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61746 (or 61742 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1343140312 is about 36648.8787277319. The cubic root of 1343140312 is about 1103.3343213564.

Adding to 1343140312 its reverse (2130413431), we get a palindrome (3473553743).

The spelling of 1343140312 in words is "one billion, three hundred forty-three million, one hundred forty thousand, three hundred twelve".