3211013 has 4 divisors (see below), whose sum is σ = 3458028. Its totient is φ = 2964000.

The previous prime is 3211009. The next prime is 3211027. The reversal of 3211013 is 3101123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 2982529 = 478^2 + 1727^2 .

It is not a de Polignac number, because 3211013 - 2² = 3211009 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3210985 and 3211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211003) 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, 123488 + ... + 123513.

It is an arithmetic number, because the mean of its divisors is an integer number (864507).

Almost surely, 2^3211013 is an apocalyptic number.

It is an amenable number.

3211013 is a deficient number, since it is larger than the sum of its proper divisors (247015).

3211013 is a wasteful number, since it uses less digits than its factorization.

3211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247014.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3211013 is about 1791.9299651493. The cubic root of 3211013 is about 147.5301173778.

Adding to 3211013 its reverse (3101123), we get a palindrome (6312136).

It can be divided in two parts, 32110 and 13, that added together give a palindrome (32123).

The spelling of 3211013 in words is "three million, two hundred eleven thousand, thirteen".