1331130301331 has 4 divisors (see below), whose sum is σ = 1331376858000. Its totient is φ = 1330883744664.

The previous prime is 1331130301297. The next prime is 1331130301337. The reversal of 1331130301331 is 1331030311331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1331130301331 - 2¹⁴ = 1331130284947 is a prime.

It is a super-2 number, since 2×1331130301331² (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 = 1331130301297 and 1331130301306.

It is not an unprimeable number, because it can be changed into a prime (1331130301337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123270236 + ... + 123281033.

It is an arithmetic number, because the mean of its divisors is an integer number (332844214500).

Almost surely, 2^{1331130301331} is an apocalyptic number.

1331130301331 is a deficient number, since it is larger than the sum of its proper divisors (246556669).

1331130301331 is an equidigital number, since it uses as much as digits as its factorization.

1331130301331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246556668.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 1331130301331 its reverse (1331030311331), we get a palindrome (2662160612662).

The spelling of 1331130301331 in words is "one trillion, three hundred thirty-one billion, one hundred thirty million, three hundred one thousand, three hundred thirty-one".