1311412342 has 4 divisors (see below), whose sum is σ = 1967118516. Its totient is φ = 655706170.

The previous prime is 1311412339. The next prime is 1311412363. The reversal of 1311412342 is 2432141131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327853084 + ... + 327853087.

It is an arithmetic number, because the mean of its divisors is an integer number (491779629).

Almost surely, 2^1311412342 is an apocalyptic number.

1311412342 is a deficient number, since it is larger than the sum of its proper divisors (655706174).

1311412342 is an equidigital number, since it uses as much as digits as its factorization.

1311412342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655706173.

The product of its digits is 576, while the sum is 22.

The square root of 1311412342 is about 36213.4276477662. The cubic root of 1311412342 is about 1094.5772620871.

Adding to 1311412342 its reverse (2432141131), we get a palindrome (3743553473).

The spelling of 1311412342 in words is "one billion, three hundred eleven million, four hundred twelve thousand, three hundred forty-two".