3135321 has 32 divisors (see below), whose sum is σ = 5425920. Its totient is φ = 1752192.

The previous prime is 3135317. The next prime is 3135329. The reversal of 3135321 is 1235313.

It is not a de Polignac number, because 3135321 - 2² = 3135317 is a prime.

3135321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3135294 and 3135303.

It is not an unprimeable number, because it can be changed into a prime (3135329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9861 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (169560).

Almost surely, 2^3135321 is an apocalyptic number.

It is an amenable number.

3135321 is a deficient number, since it is larger than the sum of its proper divisors (2290599).

3135321 is a wasteful number, since it uses less digits than its factorization.

3135321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 376 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 3135321 is about 1770.6837662327. The cubic root of 3135321 is about 146.3616635713.

The spelling of 3135321 in words is "three million, one hundred thirty-five thousand, three hundred twenty-one".