1013221330 has 24 divisors (see below), whose sum is σ = 2004673356. Its totient is φ = 368443680.

The previous prime is 1013221289. The next prime is 1013221331. The reversal of 1013221330 is 331223101.

1013221330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 877522129 + 135699201 = 29623^2 + 11649^2 .

It is not an unprimeable number, because it can be changed into a prime (1013221331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417477 + ... + 419896.

Almost surely, 2^1013221330 is an apocalyptic number.

1013221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013221330 is a deficient number, since it is larger than the sum of its proper divisors (991452026).

1013221330 is a wasteful number, since it uses less digits than its factorization.

1013221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837402 (or 837391 counting only the distinct ones).

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

The square root of 1013221330 is about 31831.1377427826. The cubic root of 1013221330 is about 1004.3878287987.

Adding to 1013221330 its reverse (331223101), we get a palindrome (1344444431).

The spelling of 1013221330 in words is "one billion, thirteen million, two hundred twenty-one thousand, three hundred thirty".