1311024442340 has 24 divisors (see below), whose sum is σ = 2799814913280. Its totient is φ = 515521475168.

The previous prime is 1311024442327. The next prime is 1311024442367. The reversal of 1311024442340 is 432444201131.

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, 555517652 + ... + 555520011.

It is an arithmetic number, because the mean of its divisors is an integer number (116658954720).

Almost surely, 2^{1311024442340} is an apocalyptic number.

1311024442340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311024442340 is an abundant number, since it is smaller than the sum of its proper divisors (1488790470940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311024442340 is a wasteful number, since it uses less digits than its factorization.

1311024442340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111037731 (or 1111037729 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1311024442340 its reverse (432444201131), we get a palindrome (1743468643471).

The spelling of 1311024442340 in words is "one trillion, three hundred eleven billion, twenty-four million, four hundred forty-two thousand, three hundred forty".