1013303221 has 16 divisors (see below), whose sum is σ = 1184071680. Its totient is φ = 849080880.

The previous prime is 1013303219. The next prime is 1013303227. The reversal of 1013303221 is 1223033101.

It is a cyclic number.

It is not a de Polignac number, because 1013303221 - 2¹ = 1013303219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013303195 and 1013303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013303227) 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, 478956 + ... + 481066.

It is an arithmetic number, because the mean of its divisors is an integer number (74004480).

Almost surely, 2^1013303221 is an apocalyptic number.

It is an amenable number.

1013303221 is a deficient number, since it is larger than the sum of its proper divisors (170768459).

1013303221 is a wasteful number, since it uses less digits than its factorization.

1013303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1013303221 is about 31832.4240515861. The cubic root of 1013303221 is about 1004.4148870881.

Adding to 1013303221 its reverse (1223033101), we get a palindrome (2236336322).

The spelling of 1013303221 in words is "one billion, thirteen million, three hundred three thousand, two hundred twenty-one".