383609131 has 4 divisors (see below), whose sum is σ = 406174392. Its totient is φ = 361043872.

The previous prime is 383609119. The next prime is 383609141. The reversal of 383609131 is 131906383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 383609131 - 2¹³ = 383600939 is a prime.

It is a super-2 number, since 2×383609131² = 294311930773150322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383609141) 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, 11282605 + ... + 11282638.

It is an arithmetic number, because the mean of its divisors is an integer number (101543598).

Almost surely, 2^383609131 is an apocalyptic number.

383609131 is a deficient number, since it is larger than the sum of its proper divisors (22565261).

383609131 is a wasteful number, since it uses less digits than its factorization.

383609131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22565260.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 383609131 is about 19585.9421780010. The cubic root of 383609131 is about 726.6015367049.

The spelling of 383609131 in words is "three hundred eighty-three million, six hundred nine thousand, one hundred thirty-one".