3136213 has 4 divisors (see below), whose sum is σ = 3212748. Its totient is φ = 3059680.

The previous prime is 3136207. The next prime is 3136223. The reversal of 3136213 is 3126313.

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 253009 + 2883204 = 503^2 + 1698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3136213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3136223) 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, 38206 + ... + 38287.

It is an arithmetic number, because the mean of its divisors is an integer number (803187).

Almost surely, 2^3136213 is an apocalyptic number.

It is an amenable number.

3136213 is a deficient number, since it is larger than the sum of its proper divisors (76535).

3136213 is an equidigital number, since it uses as much as digits as its factorization.

3136213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76534.

The product of its digits is 324, while the sum is 19.

The square root of 3136213 is about 1770.9356284179. The cubic root of 3136213 is about 146.3755422380.

It can be divided in two parts, 31362 and 13, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 3136213 in words is "three million, one hundred thirty-six thousand, two hundred thirteen".