3240831213 has 12 divisors (see below), whose sum is σ = 4681844700. Its totient is φ = 2160256896.

The previous prime is 3240831211. The next prime is 3240831247. The reversal of 3240831213 is 3121380423.

It can be written as a sum of positive squares in 2 ways, for example, as 406546569 + 2834284644 = 20163^2 + 53238^2 .

It is not a de Polignac number, because 3240831213 - 2¹ = 3240831211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240831211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59295 + ... + 99987.

It is an arithmetic number, because the mean of its divisors is an integer number (390153725).

Almost surely, 2^3240831213 is an apocalyptic number.

It is an amenable number.

3240831213 is a deficient number, since it is larger than the sum of its proper divisors (1441013487).

3240831213 is a wasteful number, since it uses less digits than its factorization.

3240831213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49548 (or 49545 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 3240831213 is about 56928.2988767449. The cubic root of 3240831213 is about 1479.8537737501.

The spelling of 3240831213 in words is "three billion, two hundred forty million, eight hundred thirty-one thousand, two hundred thirteen".