3012031213 has 4 divisors (see below), whose sum is σ = 3093437500. Its totient is φ = 2930624928.

The previous prime is 3012031201. The next prime is 3012031223. The reversal of 3012031213 is 3121302103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2737068489 + 274962724 = 52317^2 + 16582^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012031213 - 2⁹ = 3012030701 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 (3012031223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40703088 + ... + 40703161.

It is an arithmetic number, because the mean of its divisors is an integer number (773359375).

Almost surely, 2^3012031213 is an apocalyptic number.

It is an amenable number.

3012031213 is a deficient number, since it is larger than the sum of its proper divisors (81406287).

3012031213 is an equidigital number, since it uses as much as digits as its factorization.

3012031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81406286.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3012031213 is about 54881.9753015505. The cubic root of 3012031213 is about 1444.1749999884.

Adding to 3012031213 its reverse (3121302103), we get a palindrome (6133333316).

The spelling of 3012031213 in words is "three billion, twelve million, thirty-one thousand, two hundred thirteen".