32420240131 has 4 divisors (see below), whose sum is σ = 32430480192. Its totient is φ = 32410000072.

The previous prime is 32420240123. The next prime is 32420240137. The reversal of 32420240131 is 13104202423.

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 32420240131 - 2³ = 32420240123 is a prime.

It is a super-2 number, since 2×32420240131² (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 (32420240137) 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, 5115280 + ... + 5121613.

It is an arithmetic number, because the mean of its divisors is an integer number (8107620048).

Almost surely, 2^32420240131 is an apocalyptic number.

32420240131 is a deficient number, since it is larger than the sum of its proper divisors (10240061).

32420240131 is a wasteful number, since it uses less digits than its factorization.

32420240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10240060.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 32420240131 its reverse (13104202423), we get a palindrome (45524442554).

The spelling of 32420240131 in words is "thirty-two billion, four hundred twenty million, two hundred forty thousand, one hundred thirty-one".