3145432213 has 16 divisors (see below), whose sum is σ = 3943503360. Its totient is φ = 2437282800.

The previous prime is 3145432207. The next prime is 3145432237. The reversal of 3145432213 is 3122345413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3145432213 - 2²¹ = 3143335061 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 (3145432613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100323 + ... + 127888.

It is an arithmetic number, because the mean of its divisors is an integer number (246468960).

Almost surely, 2^3145432213 is an apocalyptic number.

It is an amenable number.

3145432213 is a deficient number, since it is larger than the sum of its proper divisors (798071147).

3145432213 is a wasteful number, since it uses less digits than its factorization.

3145432213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228408.

The product of its digits is 8640, while the sum is 28.

The square root of 3145432213 is about 56084.1529578543. The cubic root of 3145432213 is about 1465.1883046050.

Adding to 3145432213 its reverse (3122345413), we get a palindrome (6267777626).

The spelling of 3145432213 in words is "three billion, one hundred forty-five million, four hundred thirty-two thousand, two hundred thirteen".