1311423440413 has 8 divisors (see below), whose sum is σ = 1314756308000. Its totient is φ = 1308093392880.

The previous prime is 1311423440407. The next prime is 1311423440443. The reversal of 1311423440413 is 3140443241131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311423440413 is a prime.

It is a super-2 number, since 2×1311423440413² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311423440443) 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, 227803 + ... + 1635463.

It is an arithmetic number, because the mean of its divisors is an integer number (164344538500).

Almost surely, 2^{1311423440413} is an apocalyptic number.

It is an amenable number.

1311423440413 is a deficient number, since it is larger than the sum of its proper divisors (3332867587).

1311423440413 is a wasteful number, since it uses less digits than its factorization.

1311423440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410027.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1311423440413 its reverse (3140443241131), we get a palindrome (4451866681544).

The spelling of 1311423440413 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, four hundred forty thousand, four hundred thirteen".