3311231231 has 16 divisors (see below), whose sum is σ = 4134329088. Its totient is φ = 2576404800.

The previous prime is 3311231207. The next prime is 3311231243. The reversal of 3311231231 is 1321321133.

It is a cyclic number.

It is not a de Polignac number, because 3311231231 - 2¹⁴ = 3311214847 is a prime.

It is a super-2 number, since 2×3311231231² = 21928504530299550722, which contains 22 as substring.

It is a Duffinian number.

3311231231 is a modest number, since divided by 231231 gives 3311 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311231291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22091 + ... + 84323.

It is an arithmetic number, because the mean of its divisors is an integer number (258395568).

Almost surely, 2^3311231231 is an apocalyptic number.

3311231231 is a deficient number, since it is larger than the sum of its proper divisors (823097857).

3311231231 is a wasteful number, since it uses less digits than its factorization.

3311231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62942.

The product of its digits is 324, while the sum is 20.

The square root of 3311231231 is about 57543.2987497241. The cubic root of 3311231231 is about 1490.4926423775.

Adding to 3311231231 its reverse (1321321133), we get a palindrome (4632552364).

The spelling of 3311231231 in words is "three billion, three hundred eleven million, two hundred thirty-one thousand, two hundred thirty-one".