1311102011000 has 64 divisors (see below), whose sum is σ = 3229451316000. Its totient is φ = 496838649600.

The previous prime is 1311102010979. The next prime is 1311102011027. The reversal of 1311102011000 is 1102011131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34483685 + ... + 34521684.

Almost surely, 2^{1311102011000} is an apocalyptic number.

1311102011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311102011000 is an abundant number, since it is smaller than the sum of its proper divisors (1918349305000).

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

1311102011000 is a wasteful number, since it uses less digits than its factorization.

1311102011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69005409 (or 69005395 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1311102011000 its reverse (1102011131), we get a palindrome (1312204022131).

The spelling of 1311102011000 in words is "one trillion, three hundred eleven billion, one hundred two million, eleven thousand".