1131001133331 has 8 divisors (see below), whose sum is σ = 1521346657680. Its totient is φ = 747328182272.

The previous prime is 1131001133321. The next prime is 1131001133371. The reversal of 1131001133331 is 1333311001311.

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 1131001133331 - 2¹⁵ = 1131001100563 is a prime.

It is a super-3 number, since 3×1131001133331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1131001133298 and 1131001133307.

It is not an unprimeable number, because it can be changed into a prime (1131001133321) 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, 1668142926 + ... + 1668143603.

It is an arithmetic number, because the mean of its divisors is an integer number (190168332210).

Almost surely, 2^{1131001133331} is an apocalyptic number.

1131001133331 is a deficient number, since it is larger than the sum of its proper divisors (390345524349).

1131001133331 is a wasteful number, since it uses less digits than its factorization.

1131001133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336286645.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 1131001133331 its reverse (1333311001311), we get a palindrome (2464312134642).

The spelling of 1131001133331 in words is "one trillion, one hundred thirty-one billion, one million, one hundred thirty-three thousand, three hundred thirty-one".