1013001133 has 6 divisors (see below), whose sum is σ = 1041120906. Its totient is φ = 985621392.

The previous prime is 1013001127. The next prime is 1013001173. The reversal of 1013001133 is 3311003101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 316199524 + 696801609 = 17782^2 + 26397^2 .

It is not a de Polignac number, because 1013001133 - 2⁹ = 1013000621 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 (1013001173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368610 + ... + 371347.

It is an arithmetic number, because the mean of its divisors is an integer number (173520151).

Almost surely, 2^1013001133 is an apocalyptic number.

It is an amenable number.

1013001133 is a deficient number, since it is larger than the sum of its proper divisors (28119773).

1013001133 is an frugal number, since it uses more digits than its factorization.

1013001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740031 (or 739994 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1013001133 is about 31827.6787246573. The cubic root of 1013001133 is about 1004.3150644371.

Adding to 1013001133 its reverse (3311003101), we get a palindrome (4324004234).

The spelling of 1013001133 in words is "one billion, thirteen million, one thousand, one hundred thirty-three".