1311630400118 has 8 divisors (see below), whose sum is σ = 1969094761848. Its totient is φ = 655265479504.

The previous prime is 1311630400117. The next prime is 1311630400141. The reversal of 1311630400118 is 8110040361131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311630400117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274857296 + ... + 274862067.

It is an arithmetic number, because the mean of its divisors is an integer number (246136845231).

Almost surely, 2^{1311630400118} is an apocalyptic number.

1311630400118 is a deficient number, since it is larger than the sum of its proper divisors (657464361730).

1311630400118 is a wasteful number, since it uses less digits than its factorization.

1311630400118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549720558.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 1311630400118 its reverse (8110040361131), we get a palindrome (9421670761249).

The spelling of 1311630400118 in words is "one trillion, three hundred eleven billion, six hundred thirty million, four hundred thousand, one hundred eighteen".