103231033220 has 108 divisors (see below), whose sum is σ = 256389571620. Its totient is φ = 34812046080.

The previous prime is 103231033207. The next prime is 103231033237. The reversal of 103231033220 is 22330132301.

It can be written as a sum of positive squares in 6 ways, for example, as 44005970176 + 59225063044 = 209776^2 + 243362^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103231033192 and 103231033201.

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 35 ways as a sum of consecutive naturals, for example, 3632426 + ... + 3660734.

It is an arithmetic number, because the mean of its divisors is an integer number (2373977515).

Almost surely, 2^103231033220 is an apocalyptic number.

103231033220 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 103231033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128194785810).

103231033220 is an abundant number, since it is smaller than the sum of its proper divisors (153158538400).

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

103231033220 is a wasteful number, since it uses less digits than its factorization.

103231033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28454 (or 28384 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 103231033220 its reverse (22330132301), we get a palindrome (125561165521).

The spelling of 103231033220 in words is "one hundred three billion, two hundred thirty-one million, thirty-three thousand, two hundred twenty".