3101101020 has 72 divisors (see below), whose sum is σ = 9584186976. Its totient is φ = 811354752.

The previous prime is 3101101007. The next prime is 3101101049. The reversal of 3101101020 is 201011013.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 3101100993 and 3101101011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152992 + ... + 172071.

It is an arithmetic number, because the mean of its divisors is an integer number (133113708).

Almost surely, 2^3101101020 is an apocalyptic number.

3101101020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3101101020 is an abundant number, since it is smaller than the sum of its proper divisors (6483085956).

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

3101101020 is a wasteful number, since it uses less digits than its factorization.

3101101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325131 (or 325126 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 3101101020 is about 55687.5302020120. The cubic root of 3101101020 is about 1458.2723387242.

Adding to 3101101020 its reverse (201011013), we get a palindrome (3302112033).

The spelling of 3101101020 in words is "three billion, one hundred one million, one hundred one thousand, twenty".