103120310020 has 192 divisors, whose sum is σ = 281643909120. Its totient is φ = 30820787712.

The previous prime is 103120310017. The next prime is 103120310039. The reversal of 103120310020 is 20013021301.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3291349 + ... + 3322531.

It is an arithmetic number, because the mean of its divisors is an integer number (1466895360).

Almost surely, 2^103120310020 is an apocalyptic number.

103120310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103120310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140821954560).

103120310020 is an abundant number, since it is smaller than the sum of its proper divisors (178523599100).

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

103120310020 is a wasteful number, since it uses less digits than its factorization.

103120310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31314 (or 31312 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 103120310020 its reverse (20013021301), we get a palindrome (123133331321).

The spelling of 103120310020 in words is "one hundred three billion, one hundred twenty million, three hundred ten thousand, twenty".