1313002133 has 4 divisors (see below), whose sum is σ = 1313964000. Its totient is φ = 1312040268.

The previous prime is 1313002129. The next prime is 1313002177. The reversal of 1313002133 is 3312003131.

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 1313002133 - 2² = 1313002129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313002183) 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, 478883 + ... + 481616.

It is an arithmetic number, because the mean of its divisors is an integer number (328491000).

Almost surely, 2^1313002133 is an apocalyptic number.

It is an amenable number.

1313002133 is a deficient number, since it is larger than the sum of its proper divisors (961867).

1313002133 is an equidigital number, since it uses as much as digits as its factorization.

1313002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961866.

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

The square root of 1313002133 is about 36235.3712965660. The cubic root of 1313002133 is about 1095.0193926356.

Adding to 1313002133 its reverse (3312003131), we get a palindrome (4625005264).

The spelling of 1313002133 in words is "one billion, three hundred thirteen million, two thousand, one hundred thirty-three".