1331110311140 has 12 divisors (see below), whose sum is σ = 2795331653436. Its totient is φ = 532444124448.

The previous prime is 1331110311053. The next prime is 1331110311143. The reversal of 1331110311140 is 411130111331.

It can be written as a sum of positive squares in 2 ways, for example, as 804928363684 + 526181947456 = 897178^2 + 725384^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 66555515557 = 1331110311140 / (1 + 3 + 3 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (1331110311143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33277757759 + ... + 33277757798.

It is an arithmetic number, because the mean of its divisors is an integer number (232944304453).

Almost surely, 2^{1331110311140} is an apocalyptic number.

1331110311140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331110311140 is an abundant number, since it is smaller than the sum of its proper divisors (1464221342296).

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

1331110311140 is a wasteful number, since it uses less digits than its factorization.

1331110311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66555515566 (or 66555515564 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1331110311140 its reverse (411130111331), we get a palindrome (1742240422471).

The spelling of 1331110311140 in words is "one trillion, three hundred thirty-one billion, one hundred ten million, three hundred eleven thousand, one hundred forty".