3213165115 has 4 divisors (see below), whose sum is σ = 3855798144. Its totient is φ = 2570532088.

The previous prime is 3213165103. The next prime is 3213165127. The reversal of 3213165115 is 5115613123.

3213165115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3213165103) and next prime (3213165127).

It is a cyclic number.

It is not a de Polignac number, because 3213165115 - 2⁵ = 3213165083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321316507 + ... + 321316516.

It is an arithmetic number, because the mean of its divisors is an integer number (963949536).

Almost surely, 2^3213165115 is an apocalyptic number.

3213165115 is a deficient number, since it is larger than the sum of its proper divisors (642633029).

3213165115 is an equidigital number, since it uses as much as digits as its factorization.

3213165115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642633028.

The product of its digits is 2700, while the sum is 28.

The square root of 3213165115 is about 56684.7873331108. The cubic root of 3213165115 is about 1475.6306968617.

Adding to 3213165115 its reverse (5115613123), we get a palindrome (8328778238).

The spelling of 3213165115 in words is "three billion, two hundred thirteen million, one hundred sixty-five thousand, one hundred fifteen".