3321145213 has 2 divisors, whose sum is σ = 3321145214. Its totient is φ = 3321145212.

The previous prime is 3321145193. The next prime is 3321145241. The reversal of 3321145213 is 3125411233.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3162712644 + 158432569 = 56238^2 + 12587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3321145213 is a prime.

It is a super-2 number, since 2×3321145213² = 22060011051665630738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3321145253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660572606 + 1660572607.

It is an arithmetic number, because the mean of its divisors is an integer number (1660572607).

Almost surely, 2^3321145213 is an apocalyptic number.

It is an amenable number.

3321145213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321145213 is an equidigital number, since it uses as much as digits as its factorization.

3321145213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 3321145213 is about 57629.3780375947. The cubic root of 3321145213 is about 1491.9786952769.

Adding to 3321145213 its reverse (3125411233), we get a palindrome (6446556446).

The spelling of 3321145213 in words is "three billion, three hundred twenty-one million, one hundred forty-five thousand, two hundred thirteen".