3102113220 has 48 divisors (see below), whose sum is σ = 8691919488. Its totient is φ = 826658560.

The previous prime is 3102113213. The next prime is 3102113227. The reversal of 3102113220 is 223112013.

It is an interprime number because it is at equal distance from previous prime (3102113213) and next prime (3102113227).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3102113220.

It is not an unprimeable number, because it can be changed into a prime (3102113227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73552 + ... + 107768.

It is an arithmetic number, because the mean of its divisors is an integer number (181081656).

Almost surely, 2^3102113220 is an apocalyptic number.

3102113220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3102113220 is an abundant number, since it is smaller than the sum of its proper divisors (5589806268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3102113220 is a wasteful number, since it uses less digits than its factorization.

3102113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35740 (or 35738 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3102113220 is about 55696.6176710938. The cubic root of 3102113220 is about 1458.4309815939.

Adding to 3102113220 its reverse (223112013), we get a palindrome (3325225233).

The spelling of 3102113220 in words is "three billion, one hundred two million, one hundred thirteen thousand, two hundred twenty".