1313122133 has 8 divisors (see below), whose sum is σ = 1320019680. Its totient is φ = 1306234800.

The previous prime is 1313122127. The next prime is 1313122147. The reversal of 1313122133 is 3312213131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313122133 - 2²⁶ = 1246013269 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 (1313122163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459158 + ... + 462008.

It is an arithmetic number, because the mean of its divisors is an integer number (165002460).

Almost surely, 2^1313122133 is an apocalyptic number.

It is an amenable number.

1313122133 is a deficient number, since it is larger than the sum of its proper divisors (6897547).

1313122133 is a wasteful number, since it uses less digits than its factorization.

1313122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107.

The product of its digits is 324, while the sum is 20.

The square root of 1313122133 is about 36237.0270993634. The cubic root of 1313122133 is about 1095.0527508764.

Adding to 1313122133 its reverse (3312213131), we get a palindrome (4625335264).

The spelling of 1313122133 in words is "one billion, three hundred thirteen million, one hundred twenty-two thousand, one hundred thirty-three".