1331023013333 has 32 divisors (see below), whose sum is σ = 1543756838400. Its totient is φ = 1137228857856.

The previous prime is 1331023013279. The next prime is 1331023013399. The reversal of 1331023013333 is 3333103201331.

It is a happy number.

It is not a de Polignac number, because 1331023013333 - 2¹⁰ = 1331023012309 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 (1331023013233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2916041 + ... + 3341457.

It is an arithmetic number, because the mean of its divisors is an integer number (48242401200).

Almost surely, 2^{1331023013333} is an apocalyptic number.

1331023013333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1331023013333 is a deficient number, since it is larger than the sum of its proper divisors (212733825067).

1331023013333 is a wasteful number, since it uses less digits than its factorization.

1331023013333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425741.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 1331023013333 its reverse (3333103201331), we get a palindrome (4664126214664).

The spelling of 1331023013333 in words is "one trillion, three hundred thirty-one billion, twenty-three million, thirteen thousand, three hundred thirty-three".