1013531330 has 64 divisors (see below), whose sum is σ = 2229327360. Its totient is φ = 323841024.

The previous prime is 1013531291. The next prime is 1013531333. The reversal of 1013531330 is 331353101.

It is not an unprimeable number, because it can be changed into a prime (1013531333) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 118436 + ... + 126704.

It is an arithmetic number, because the mean of its divisors is an integer number (34833240).

Almost surely, 2^1013531330 is an apocalyptic number.

1013531330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013531330 is an abundant number, since it is smaller than the sum of its proper divisors (1215796030).

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

1013531330 is a wasteful number, since it uses less digits than its factorization.

1013531330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 1013531330 is about 31836.0068161822. The cubic root of 1013531330 is about 1004.4902508031.

Adding to 1013531330 its reverse (331353101), we get a palindrome (1344884431).

The spelling of 1013531330 in words is "one billion, thirteen million, five hundred thirty-one thousand, three hundred thirty".