3133121 has 8 divisors (see below), whose sum is σ = 3218304. Its totient is φ = 3049200.

The previous prime is 3133111. The next prime is 3133153. The reversal of 3133121 is 1213313.

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 3133121 - 2⁶ = 3133057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3133096 and 3133105.

It is not an unprimeable number, because it can be changed into a prime (3133111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6536 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (402288).

Almost surely, 2^3133121 is an apocalyptic number.

It is an amenable number.

3133121 is a deficient number, since it is larger than the sum of its proper divisors (85183).

3133121 is a wasteful number, since it uses less digits than its factorization.

3133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 54, while the sum is 14.

The square root of 3133121 is about 1770.0624282776. The cubic root of 3133121 is about 146.3274224200.

Adding to 3133121 its reverse (1213313), we get a palindrome (4346434).

It can be divided in two parts, 313312 and 1, that added together give a palindrome (313313).

The spelling of 3133121 in words is "three million, one hundred thirty-three thousand, one hundred twenty-one".