1340311352 has 16 divisors (see below), whose sum is σ = 2524061400. Its totient is φ = 667228320.

The previous prime is 1340311327. The next prime is 1340311387. The reversal of 1340311352 is 2531130431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363974 + ... + 367637.

Almost surely, 2^1340311352 is an apocalyptic number.

It is an amenable number.

1340311352 is a deficient number, since it is larger than the sum of its proper divisors (1183750048).

1340311352 is a wasteful number, since it uses less digits than its factorization.

1340311352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731846 (or 731842 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1340311352 is about 36610.2629326805. The cubic root of 1340311352 is about 1102.5591522536.

Adding to 1340311352 its reverse (2531130431), we get a palindrome (3871441783).

The spelling of 1340311352 in words is "one billion, three hundred forty million, three hundred eleven thousand, three hundred fifty-two".