1331436341331 has 6 divisors (see below), whose sum is σ = 1923185826380. Its totient is φ = 887624227548.

The previous prime is 1331436341281. The next prime is 1331436341377.

1331436341331 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 4 + 3 + 634 + 13 + 3 + 1 = 666.

1331436341331 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1331436341331 - 2⁷ = 1331436341203 is a prime.

It is a super-2 number, since 2×1331436341331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331436351331) 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 5 ways as a sum of consecutive naturals, for example, 73968685621 + ... + 73968685638.

Almost surely, 2^{1331436341331} is an apocalyptic number.

1331436341331 is a deficient number, since it is larger than the sum of its proper divisors (591749485049).

1331436341331 is a wasteful number, since it uses less digits than its factorization.

1331436341331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147937371265 (or 147937371262 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The spelling of 1331436341331 in words is "one trillion, three hundred thirty-one billion, four hundred thirty-six million, three hundred forty-one thousand, three hundred thirty-one".