3031111213 has 8 divisors (see below), whose sum is σ = 3278286648. Its totient is φ = 2785937664.

The previous prime is 3031111207. The next prime is 3031111217. The reversal of 3031111213 is 3121111303.

3031111213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26646244 + 3004464969 = 5162^2 + 54813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3031111213 - 2⁹ = 3031110701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031111217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497320 + ... + 503377.

It is an arithmetic number, because the mean of its divisors is an integer number (409785831).

Almost surely, 2^3031111213 is an apocalyptic number.

It is an amenable number.

3031111213 is a deficient number, since it is larger than the sum of its proper divisors (247175435).

3031111213 is a wasteful number, since it uses less digits than its factorization.

3031111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000943.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3031111213 is about 55055.5284508286. The cubic root of 3031111213 is about 1447.2180051887.

Adding to 3031111213 its reverse (3121111303), we get a palindrome (6152222516).

It can be divided in two parts, 3031 and 111213, that added together give a square (114244 = 338²).

The spelling of 3031111213 in words is "three billion, thirty-one million, one hundred eleven thousand, two hundred thirteen".