3103201020 has 48 divisors (see below), whose sum is σ = 8719931808. Its totient is φ = 824570880.

The previous prime is 3103201007. The next prime is 3103201027. The reversal of 3103201020 is 201023013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3103200987 and 3103201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103201027) 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, 75169 + ... + 108888.

It is an arithmetic number, because the mean of its divisors is an integer number (181665246).

Almost surely, 2^3103201020 is an apocalyptic number.

3103201020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3103201020 is an abundant number, since it is smaller than the sum of its proper divisors (5616730788).

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

3103201020 is a wasteful number, since it uses less digits than its factorization.

3103201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184350 (or 184348 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3103201020 is about 55706.3822196344. The cubic root of 3103201020 is about 1458.6014348413.

Adding to 3103201020 its reverse (201023013), we get a palindrome (3304224033).

The spelling of 3103201020 in words is "three billion, one hundred three million, two hundred one thousand, twenty".