1321132201331 has 16 divisors (see below), whose sum is σ = 1373107438080. Its totient is φ = 1270183254240.

The previous prime is 1321132201223. The next prime is 1321132201343. The reversal of 1321132201331 is 1331022311231.

It is a cyclic number.

It is not a de Polignac number, because 1321132201331 - 2¹⁰ = 1321132200307 is a prime.

It is a super-2 number, since 2×1321132201331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321132201297 and 1321132201306.

It is not an unprimeable number, because it can be changed into a prime (1321132201931) 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 15 ways as a sum of consecutive naturals, for example, 3657020 + ... + 4002006.

It is an arithmetic number, because the mean of its divisors is an integer number (85819214880).

Almost surely, 2^{1321132201331} is an apocalyptic number.

1321132201331 is a deficient number, since it is larger than the sum of its proper divisors (51975236749).

1321132201331 is a wasteful number, since it uses less digits than its factorization.

1321132201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346474.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1321132201331 its reverse (1331022311231), we get a palindrome (2652154512562).

The spelling of 1321132201331 in words is "one trillion, three hundred twenty-one billion, one hundred thirty-two million, two hundred one thousand, three hundred thirty-one".