1311542322351 has 8 divisors (see below), whose sum is σ = 1761487499184. Its totient is φ = 867979346880.

The previous prime is 1311542322347. The next prime is 1311542322353. The reversal of 1311542322351 is 1532232451131.

It is a happy number.

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

It is not a de Polignac number, because 1311542322351 - 2² = 1311542322347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311542322353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595549860 + ... + 1595550681.

It is an arithmetic number, because the mean of its divisors is an integer number (220185937398).

Almost surely, 2^{1311542322351} is an apocalyptic number.

1311542322351 is a deficient number, since it is larger than the sum of its proper divisors (449945176833).

1311542322351 is a wasteful number, since it uses less digits than its factorization.

1311542322351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191100681.

The product of its digits is 21600, while the sum is 33.

Adding to 1311542322351 its reverse (1532232451131), we get a palindrome (2843774773482).

The spelling of 1311542322351 in words is "one trillion, three hundred eleven billion, five hundred forty-two million, three hundred twenty-two thousand, three hundred fifty-one".