1013303331 has 16 divisors (see below), whose sum is σ = 1502416800. Its totient is φ = 674983584.

The previous prime is 1013303329. The next prime is 1013303353. The reversal of 1013303331 is 1333033101.

1013303331 is a `hidden beast` number, since 1 + 0 + 1 + 330 + 3 + 331 = 666.

It is not a de Polignac number, because 1013303331 - 2¹ = 1013303329 is a prime.

It is a super-2 number, since 2×1013303331² = 2053567281231391122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013303321) 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, 19785 + ... + 49173.

It is an arithmetic number, because the mean of its divisors is an integer number (93901050).

Almost surely, 2^1013303331 is an apocalyptic number.

1013303331 is a deficient number, since it is larger than the sum of its proper divisors (489113469).

1013303331 is a wasteful number, since it uses less digits than its factorization.

1013303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30675 (or 30669 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1013303331 is about 31832.4257793841. The cubic root of 1013303331 is about 1004.4149234332.

Adding to 1013303331 its reverse (1333033101), we get a palindrome (2346336432).

The spelling of 1013303331 in words is "one billion, thirteen million, three hundred three thousand, three hundred thirty-one".