39204243131 has 4 divisors (see below), whose sum is σ = 39234332112. Its totient is φ = 39174154152.

The previous prime is 39204243109. The next prime is 39204243179. The reversal of 39204243131 is 13134240293.

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 39204243131 - 2¹⁸ = 39203980987 is a prime.

It is a super-2 number, since 2×39204243131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39204243181) 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, 15042536 + ... + 15045141.

It is an arithmetic number, because the mean of its divisors is an integer number (9808583028).

Almost surely, 2^39204243131 is an apocalyptic number.

39204243131 is a deficient number, since it is larger than the sum of its proper divisors (30088981).

39204243131 is a wasteful number, since it uses less digits than its factorization.

39204243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30088980.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 39204243131 in words is "thirty-nine billion, two hundred four million, two hundred forty-three thousand, one hundred thirty-one".