3100101220 has 24 divisors (see below), whose sum is σ = 6599396664. Its totient is φ = 1223053056.

The previous prime is 3100101217. The next prime is 3100101233. The reversal of 3100101220 is 221010013.

3100101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1154232676 + 1945868544 = 33974^2 + 44112^2 .

It is a super-2 number, since 2×3100101220² = 19221255148490976800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 3100101197 and 3100101206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060219 + ... + 1063138.

It is an arithmetic number, because the mean of its divisors is an integer number (274974861).

Almost surely, 2^3100101220 is an apocalyptic number.

It is an amenable number.

3100101220 is an abundant number, since it is smaller than the sum of its proper divisors (3499295444).

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

3100101220 is a wasteful number, since it uses less digits than its factorization.

3100101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123439 (or 2123437 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 3100101220 is about 55678.5526033140. The cubic root of 3100101220 is about 1458.1156054234.

Adding to 3100101220 its reverse (221010013), we get a palindrome (3321111233).

The spelling of 3100101220 in words is "three billion, one hundred million, one hundred one thousand, two hundred twenty".