1013320133 has 4 divisors (see below), whose sum is σ = 1158080160. Its totient is φ = 868560108.

The previous prime is 1013320111. The next prime is 1013320153. The reversal of 1013320133 is 3310233101.

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 1013320133 - 2⁸ = 1013319877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013320153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72380003 + ... + 72380016.

It is an arithmetic number, because the mean of its divisors is an integer number (289520040).

Almost surely, 2^1013320133 is an apocalyptic number.

It is an amenable number.

1013320133 is a deficient number, since it is larger than the sum of its proper divisors (144760027).

1013320133 is an equidigital number, since it uses as much as digits as its factorization.

1013320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144760026.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1013320133 is about 31832.6896915733. The cubic root of 1013320133 is about 1004.4204749417.

Adding to 1013320133 its reverse (3310233101), we get a palindrome (4323553234).

The spelling of 1013320133 in words is "one billion, thirteen million, three hundred twenty thousand, one hundred thirty-three".