3185213213 has 48 divisors (see below), whose sum is σ = 4138315776. Its totient is φ = 2387024640.

The previous prime is 3185213209. The next prime is 3185213233. The reversal of 3185213213 is 3123125813.

It is not a de Polignac number, because 3185213213 - 2² = 3185213209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3185213233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6113393 + ... + 6113913.

It is an arithmetic number, because the mean of its divisors is an integer number (86214912).

Almost surely, 2^3185213213 is an apocalyptic number.

It is an amenable number.

3185213213 is a deficient number, since it is larger than the sum of its proper divisors (953102563).

3185213213 is a wasteful number, since it uses less digits than its factorization.

3185213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 691 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 3185213213 is about 56437.6931934678. The cubic root of 3185213213 is about 1471.3393031046.

The spelling of 3185213213 in words is "three billion, one hundred eighty-five million, two hundred thirteen thousand, two hundred thirteen".