3011213125 has 10 divisors (see below), whose sum is σ = 3762812702. Its totient is φ = 2408970000.

The previous prime is 3011213123. The next prime is 3011213129. The reversal of 3011213125 is 5213121103.

It can be written as a sum of positive squares in 5 ways, for example, as 1695627684 + 1315585441 = 41178^2 + 36271^2 .

It is not a de Polignac number, because 3011213125 - 2¹ = 3011213123 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 (3011213123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2408346 + ... + 2409595.

Almost surely, 2^3011213125 is an apocalyptic number.

It is an amenable number.

3011213125 is a deficient number, since it is larger than the sum of its proper divisors (751599577).

3011213125 is an frugal number, since it uses more digits than its factorization.

3011213125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817961 (or 4817946 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 3011213125 is about 54874.5216380061. The cubic root of 3011213125 is about 1444.0442389244.

Adding to 3011213125 its reverse (5213121103), we get a palindrome (8224334228).

The spelling of 3011213125 in words is "three billion, eleven million, two hundred thirteen thousand, one hundred twenty-five".