1013331133 has 4 divisors (see below), whose sum is σ = 1013977728. Its totient is φ = 1012684540.

The previous prime is 1013331119. The next prime is 1013331149. The reversal of 1013331133 is 3311333101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3311333101 = 163 ⋅20314927.

It is a cyclic number.

It is not a de Polignac number, because 1013331133 - 2⁵ = 1013331101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013331133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013331533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320941 + ... + 324082.

It is an arithmetic number, because the mean of its divisors is an integer number (253494432).

Almost surely, 2^1013331133 is an apocalyptic number.

It is an amenable number.

1013331133 is a deficient number, since it is larger than the sum of its proper divisors (646595).

1013331133 is an equidigital number, since it uses as much as digits as its factorization.

1013331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646594.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1013331133 is about 31832.8624694670. The cubic root of 1013331133 is about 1004.4241093921.

Adding to 1013331133 its reverse (3311333101), we get a palindrome (4324664234).

The spelling of 1013331133 in words is "one billion, thirteen million, three hundred thirty-one thousand, one hundred thirty-three".