1311011342 has 8 divisors (see below), whose sum is σ = 1973995056. Its totient is φ = 653012992.

The previous prime is 1311011291. The next prime is 1311011353. The reversal of 1311011342 is 2431101131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1311011342.

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, 1245683 + ... + 1246734.

It is an arithmetic number, because the mean of its divisors is an integer number (246749382).

Almost surely, 2^1311011342 is an apocalyptic number.

1311011342 is a deficient number, since it is larger than the sum of its proper divisors (662983714).

1311011342 is a wasteful number, since it uses less digits than its factorization.

1311011342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492682.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1311011342 is about 36207.8906041211. The cubic root of 1311011342 is about 1094.4656851220.

Adding to 1311011342 its reverse (2431101131), we get a palindrome (3742112473).

The spelling of 1311011342 in words is "one billion, three hundred eleven million, eleven thousand, three hundred forty-two".