3103120213 has 4 divisors (see below), whose sum is σ = 3106497760. Its totient is φ = 3099742668.

The previous prime is 3103120201. The next prime is 3103120217. The reversal of 3103120213 is 3120213013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3120213013 = 61 ⋅51151033.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3103120213 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 (3103120217) 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, 1687395 + ... + 1689232.

It is an arithmetic number, because the mean of its divisors is an integer number (776624440).

Almost surely, 2^3103120213 is an apocalyptic number.

It is an amenable number.

3103120213 is a deficient number, since it is larger than the sum of its proper divisors (3377547).

3103120213 is an equidigital number, since it uses as much as digits as its factorization.

3103120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377546.

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

The square root of 3103120213 is about 55705.6569209986. The cubic root of 3103120213 is about 1458.5887741265.

Adding to 3103120213 its reverse (3120213013), we get a palindrome (6223333226).

The spelling of 3103120213 in words is "three billion, one hundred three million, one hundred twenty thousand, two hundred thirteen".