3135213005 has 4 divisors (see below), whose sum is σ = 3762255612. Its totient is φ = 2508170400.

The previous prime is 3135213001. The next prime is 3135213017. The reversal of 3135213005 is 5003125313.

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 630110404 + 2505102601 = 25102^2 + 50051^2 .

It is not a de Polignac number, because 3135213005 - 2² = 3135213001 is a prime.

It is a super-2 number, since 2×3135213005² = 19659121173442260050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135213001) 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, 313521296 + ... + 313521305.

It is an arithmetic number, because the mean of its divisors is an integer number (940563903).

Almost surely, 2^3135213005 is an apocalyptic number.

It is an amenable number.

3135213005 is a deficient number, since it is larger than the sum of its proper divisors (627042607).

3135213005 is an equidigital number, since it uses as much as digits as its factorization.

3135213005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627042606.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 3135213005 is about 55992.9728180242. The cubic root of 3135213005 is about 1463.5998309379.

Adding to 3135213005 its reverse (5003125313), we get a palindrome (8138338318).

The spelling of 3135213005 in words is "three billion, one hundred thirty-five million, two hundred thirteen thousand, five".