3113215 has 24 divisors (see below), whose sum is σ = 4424112. Its totient is φ = 2096640.

The previous prime is 3113213. The next prime is 3113221. The reversal of 3113215 is 5123113.

It is not a de Polignac number, because 3113215 - 2¹ = 3113213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23700 + ... + 23830.

It is an arithmetic number, because the mean of its divisors is an integer number (184338).

Almost surely, 2^3113215 is an apocalyptic number.

3113215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3113215 is a deficient number, since it is larger than the sum of its proper divisors (1310897).

3113215 is a wasteful number, since it uses less digits than its factorization.

3113215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 240 counting only the distinct ones).

The product of its digits is 90, while the sum is 16.

The square root of 3113215 is about 1764.4305030236. The cubic root of 3113215 is about 146.0168711347.

Adding to 3113215 its reverse (5123113), we get a palindrome (8236328).

The spelling of 3113215 in words is "three million, one hundred thirteen thousand, two hundred fifteen".