3311331231 has 16 divisors (see below), whose sum is σ = 4812022656. Its totient is φ = 2013189216.

The previous prime is 3311331223. The next prime is 3311331263. The reversal of 3311331231 is 1321331133.

It is not a de Polignac number, because 3311331231 - 2³ = 3311331223 is a prime.

It is a super-2 number, since 2×3311331231² = 21929829042791950722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3311331198 and 3311331207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311331031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508245 + ... + 514718.

It is an arithmetic number, because the mean of its divisors is an integer number (300751416).

Almost surely, 2^3311331231 is an apocalyptic number.

3311331231 is a deficient number, since it is larger than the sum of its proper divisors (1500691425).

3311331231 is a wasteful number, since it uses less digits than its factorization.

3311331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023062.

The product of its digits is 486, while the sum is 21.

The square root of 3311331231 is about 57544.1676540725. The cubic root of 3311331231 is about 1490.5076466416.

Adding to 3311331231 its reverse (1321331133), we get a palindrome (4632662364).

The spelling of 3311331231 in words is "three billion, three hundred eleven million, three hundred thirty-one thousand, two hundred thirty-one".