3313133121 has 4 divisors (see below), whose sum is σ = 4417510832. Its totient is φ = 2208755412.

The previous prime is 3313133119. The next prime is 3313133171. The reversal of 3313133121 is 1213313133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1213313133 = 3 ⋅404437711.

It is not a de Polignac number, because 3313133121 - 2¹ = 3313133119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3313133171) 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, 552188851 + ... + 552188856.

It is an arithmetic number, because the mean of its divisors is an integer number (1104377708).

Almost surely, 2^3313133121 is an apocalyptic number.

It is an amenable number.

3313133121 is a deficient number, since it is larger than the sum of its proper divisors (1104377711).

3313133121 is a wasteful number, since it uses less digits than its factorization.

3313133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104377710.

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

The square root of 3313133121 is about 57559.8221070913. The cubic root of 3313133121 is about 1490.7779552304. Note that the first 3 decimals are identical.

Adding to 3313133121 its reverse (1213313133), we get a palindrome (4526446254).

The spelling of 3313133121 in words is "three billion, three hundred thirteen million, one hundred thirty-three thousand, one hundred twenty-one".