1331120201330 has 16 divisors (see below), whose sum is σ = 2396096106264. Its totient is φ = 532430359680.

The previous prime is 1331120201311. The next prime is 1331120201339. The reversal of 1331120201330 is 331020211331.

It can be written as a sum of positive squares in 4 ways, for example, as 1277394987961 + 53725213369 = 1130219^2 + 231787^2 .

It is not an unprimeable number, because it can be changed into a prime (1331120201339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897451 + ... + 2502510.

Almost surely, 2^{1331120201330} is an apocalyptic number.

1331120201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331120201330 is a deficient number, since it is larger than the sum of its proper divisors (1064975904934).

1331120201330 is a wasteful number, since it uses less digits than its factorization.

1331120201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430221.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1331120201330 its reverse (331020211331), we get a palindrome (1662140412661).

The spelling of 1331120201330 in words is "one trillion, three hundred thirty-one billion, one hundred twenty million, two hundred one thousand, three hundred thirty".