1133333333331 has 4 divisors (see below), whose sum is σ = 1511111111112. Its totient is φ = 755555555552.

The previous prime is 1133333333323. The next prime is 1133333333381. The reversal of 1133333333331 is 1333333333311.

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 1133333333331 - 2³ = 1133333333323 is a prime.

It is a super-3 number, since 3×1133333333331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1133333333292 and 1133333333301.

It is not an unprimeable number, because it can be changed into a prime (1133333333381) 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, 188888888886 + ... + 188888888891.

It is an arithmetic number, because the mean of its divisors is an integer number (377777777778).

Almost surely, 2^{1133333333331} is an apocalyptic number.

1133333333331 is a deficient number, since it is larger than the sum of its proper divisors (377777777781).

1133333333331 is an equidigital number, since it uses as much as digits as its factorization.

1133333333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377777777780.

The product of its digits is 59049, while the sum is 33.

Adding to 1133333333331 its reverse (1333333333311), we get a palindrome (2466666666642).

The spelling of 1133333333331 in words is "one trillion, one hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-one".