1311630400140 has 96 divisors (see below), whose sum is σ = 3889052020224. Its totient is φ = 329155107840.

The previous prime is 1311630400117. The next prime is 1311630400141. The reversal of 1311630400140 is 410040361131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311630400140.

It is not an unprimeable number, because it can be changed into a prime (1311630400141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9239095 + ... + 9379985.

It is an arithmetic number, because the mean of its divisors is an integer number (40510958544).

Almost surely, 2^{1311630400140} is an apocalyptic number.

1311630400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311630400140 is an abundant number, since it is smaller than the sum of its proper divisors (2577421620084).

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

1311630400140 is a wasteful number, since it uses less digits than its factorization.

1311630400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150047 (or 150045 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1311630400140 its reverse (410040361131), we get a palindrome (1721670761271).

The spelling of 1311630400140 in words is "one trillion, three hundred eleven billion, six hundred thirty million, four hundred thousand, one hundred forty".