3130100213 has 4 divisors (see below), whose sum is σ = 3130989708. Its totient is φ = 3129210720.

The previous prime is 3130100203. The next prime is 3130100243. The reversal of 3130100213 is 3120010313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120010313 = 7 ⋅445715759.

It can be written as a sum of positive squares in 2 ways, for example, as 937706884 + 2192393329 = 30622^2 + 46823^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130100213 - 2¹⁸ = 3129838069 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 (3130100203) 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 3 ways as a sum of consecutive naturals, for example, 439448 + ... + 446513.

It is an arithmetic number, because the mean of its divisors is an integer number (782747427).

Almost surely, 2^3130100213 is an apocalyptic number.

It is an amenable number.

3130100213 is a deficient number, since it is larger than the sum of its proper divisors (889495).

3130100213 is an equidigital number, since it uses as much as digits as its factorization.

3130100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889494.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3130100213 is about 55947.2985317432. The cubic root of 3130100213 is about 1462.8038028428.

Adding to 3130100213 its reverse (3120010313), we get a palindrome (6250110526).

It can be divided in two parts, 3130100 and 213, that added together give a palindrome (3130313).

The spelling of 3130100213 in words is "three billion, one hundred thirty million, one hundred thousand, two hundred thirteen".