3105213105 has 32 divisors (see below), whose sum is σ = 5154024960. Its totient is φ = 1595243520.

The previous prime is 3105213103. The next prime is 3105213107. The reversal of 3105213105 is 5013125013.

3105213105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3105213103) and next prime (3105213107).

It is not a de Polignac number, because 3105213105 - 2¹ = 3105213103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3105213101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16629 + ... + 80541.

It is an arithmetic number, because the mean of its divisors is an integer number (161063280).

Almost surely, 2^3105213105 is an apocalyptic number.

It is an amenable number.

3105213105 is a deficient number, since it is larger than the sum of its proper divisors (2048811855).

3105213105 is a wasteful number, since it uses less digits than its factorization.

3105213105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64041.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 3105213105 is about 55724.4390281320. The cubic root of 3105213105 is about 1458.9166143364.

Adding to 3105213105 its reverse (5013125013), we get a palindrome (8118338118).

The spelling of 3105213105 in words is "three billion, one hundred five million, two hundred thirteen thousand, one hundred five".