1331111333233 has 8 divisors (see below), whose sum is σ = 1455671878560. Its totient is φ = 1207142525280.

The previous prime is 1331111333191. The next prime is 1331111333291. The reversal of 1331111333233 is 3323331111331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331111333233 - 2⁹ = 1331111332721 is a prime.

It is a super-2 number, since 2×1331111333233² (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 (1331111333333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147929635 + ... + 147938632.

It is an arithmetic number, because the mean of its divisors is an integer number (181958984820).

Almost surely, 2^{1331111333233} is an apocalyptic number.

It is an amenable number.

1331111333233 is a deficient number, since it is larger than the sum of its proper divisors (124560545327).

1331111333233 is a wasteful number, since it uses less digits than its factorization.

1331111333233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295868687.

The product of its digits is 4374, while the sum is 28.

Adding to 1331111333233 its reverse (3323331111331), we get a palindrome (4654442444564).

The spelling of 1331111333233 in words is "one trillion, three hundred thirty-one billion, one hundred eleven million, three hundred thirty-three thousand, two hundred thirty-three".