1031041220 has 48 divisors (see below), whose sum is σ = 2372025600. Its totient is φ = 373336320.

The previous prime is 1031041181. The next prime is 1031041241. The reversal of 1031041220 is 221401301.

1031041220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1031041195 and 1031041204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42776 + ... + 62384.

It is an arithmetic number, because the mean of its divisors is an integer number (49417200).

Almost surely, 2^1031041220 is an apocalyptic number.

1031041220 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 1031041220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186012800).

1031041220 is an abundant number, since it is smaller than the sum of its proper divisors (1340984380).

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

1031041220 is a wasteful number, since it uses less digits than its factorization.

1031041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19868 (or 19866 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1031041220 is about 32109.8305819262. The cubic root of 1031041220 is about 1010.2418203445.

Adding to 1031041220 its reverse (221401301), we get a palindrome (1252442521).

The spelling of 1031041220 in words is "one billion, thirty-one million, forty-one thousand, two hundred twenty".