1013133133 has 4 divisors (see below), whose sum is σ = 1013902560. Its totient is φ = 1012363708.

The previous prime is 1013133131. The next prime is 1013133179. The reversal of 1013133133 is 3313313101.

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.

It is a cyclic number.

It is not a de Polignac number, because 1013133133 - 2¹ = 1013133131 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 1013133133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013133131) 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, 382735 + ... + 385372.

It is an arithmetic number, because the mean of its divisors is an integer number (253475640).

Almost surely, 2^1013133133 is an apocalyptic number.

It is an amenable number.

1013133133 is a deficient number, since it is larger than the sum of its proper divisors (769427).

1013133133 is an equidigital number, since it uses as much as digits as its factorization.

1013133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769426.

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

The square root of 1013133133 is about 31829.7523238872. The cubic root of 1013133133 is about 1004.3586852605.

Adding to 1013133133 its reverse (3313313101), we get a palindrome (4326446234).

It can be divided in two parts, 10131 and 33133, that added together give a square (43264 = 208²).

The spelling of 1013133133 in words is "one billion, thirteen million, one hundred thirty-three thousand, one hundred thirty-three".