1331200101330 has 144 divisors (see below), whose sum is σ = 3935558030040. Its totient is φ = 311586992640.

The previous prime is 1331200101289. The next prime is 1331200101367. The reversal of 1331200101330 is 331010021331.

It is a happy number.

1331200101330 is a `hidden beast` number, since 1 + 3 + 31 + 200 + 101 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1320111379521 + 11088721809 = 1148961^2 + 105303^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 1791787 + ... + 2423406.

Almost surely, 2^{1331200101330} is an apocalyptic number.

1331200101330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331200101330 is an abundant number, since it is smaller than the sum of its proper divisors (2604357928710).

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

1331200101330 is a wasteful number, since it uses less digits than its factorization.

1331200101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215257 (or 4215243 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1331200101330 its reverse (331010021331), we get a palindrome (1662210122661).

The spelling of 1331200101330 in words is "one trillion, three hundred thirty-one billion, two hundred million, one hundred one thousand, three hundred thirty".