3511123213 has 24 divisors (see below), whose sum is σ = 3980733120. Its totient is φ = 3089623680.

The previous prime is 3511123207. The next prime is 3511123223. The reversal of 3511123213 is 3123211153.

It is not a de Polignac number, because 3511123213 - 2²¹ = 3509026061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3511123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285233 + ... + 1287961.

It is an arithmetic number, because the mean of its divisors is an integer number (165863880).

Almost surely, 2^3511123213 is an apocalyptic number.

It is an amenable number.

3511123213 is a deficient number, since it is larger than the sum of its proper divisors (469609907).

3511123213 is a wasteful number, since it uses less digits than its factorization.

3511123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109 (or 3096 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 3511123213 is about 59254.7315663484. The cubic root of 3511123213 is about 1519.9011958225.

Adding to 3511123213 its reverse (3123211153), we get a palindrome (6634334366).

The spelling of 3511123213 in words is "three billion, five hundred eleven million, one hundred twenty-three thousand, two hundred thirteen".