3311323121 has 4 divisors (see below), whose sum is σ = 3506106852. Its totient is φ = 3116539392.

The previous prime is 3311323109. The next prime is 3311323151. The reversal of 3311323121 is 1213231133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213231133 = 1163 ⋅1043191.

It can be written as a sum of positive squares in 2 ways, for example, as 2288282896 + 1023040225 = 47836^2 + 31985^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311323121 - 2²² = 3307128817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311323093 and 3311323102.

It is not an unprimeable number, because it can be changed into a prime (3311323151) 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 3 ways as a sum of consecutive naturals, for example, 97391840 + ... + 97391873.

It is an arithmetic number, because the mean of its divisors is an integer number (876526713).

Almost surely, 2^3311323121 is an apocalyptic number.

It is an amenable number.

3311323121 is a deficient number, since it is larger than the sum of its proper divisors (194783731).

3311323121 is a wasteful number, since it uses less digits than its factorization.

3311323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194783730.

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

The square root of 3311323121 is about 57544.0971864187. The cubic root of 3311323121 is about 1490.5064298071.

Adding to 3311323121 its reverse (1213231133), we get a palindrome (4524554254).

The spelling of 3311323121 in words is "three billion, three hundred eleven million, three hundred twenty-three thousand, one hundred twenty-one".