3120163513 has 4 divisors (see below), whose sum is σ = 3155221620. Its totient is φ = 3085105408.

The previous prime is 3120163511. The next prime is 3120163537. The reversal of 3120163513 is 3153610213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3153610213 = 13 ⋅242585401.

It can be written as a sum of positive squares in 2 ways, for example, as 1212919929 + 1907243584 = 34827^2 + 43672^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120163513 - 2¹ = 3120163511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120163511) 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, 17528920 + ... + 17529097.

It is an arithmetic number, because the mean of its divisors is an integer number (788805405).

Almost surely, 2^3120163513 is an apocalyptic number.

It is an amenable number.

3120163513 is a deficient number, since it is larger than the sum of its proper divisors (35058107).

3120163513 is an equidigital number, since it uses as much as digits as its factorization.

3120163513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35058106.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3120163513 is about 55858.4238320417. The cubic root of 3120163513 is about 1461.2542410644.

Adding to 3120163513 its reverse (3153610213), we get a palindrome (6273773726).

The spelling of 3120163513 in words is "three billion, one hundred twenty million, one hundred sixty-three thousand, five hundred thirteen".