1331022201311 has 8 divisors (see below), whose sum is σ = 1528446547200. Its totient is φ = 1146334910040.

The previous prime is 1331022201233. The next prime is 1331022201343. The reversal of 1331022201311 is 1131022201331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331022201311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331022200311) 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 7 ways as a sum of consecutive naturals, for example, 3184263431 + ... + 3184263848.

It is an arithmetic number, because the mean of its divisors is an integer number (191055818400).

Almost surely, 2^{1331022201311} is an apocalyptic number.

1331022201311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1331022201311 is a deficient number, since it is larger than the sum of its proper divisors (197424345889).

1331022201311 is a wasteful number, since it uses less digits than its factorization.

1331022201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368527309.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1331022201311 its sum of digits (20), we get a palindrome (1331022201331).

Adding to 1331022201311 its reverse (1131022201331), we get a palindrome (2462044402642).

The spelling of 1331022201311 in words is "one trillion, three hundred thirty-one billion, twenty-two million, two hundred one thousand, three hundred eleven".