42020132331 has 8 divisors (see below), whose sum is σ = 56050033104. Its totient is φ = 28001826560.

The previous prime is 42020132321. The next prime is 42020132359. The reversal of 42020132331 is 13323102024.

42020132331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42020132331 - 2⁵ = 42020132299 is a prime.

It is a super-2 number, since 2×42020132331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42020132298 and 42020132307.

It is not an unprimeable number, because it can be changed into a prime (42020132321) 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, 2890290 + ... + 2904791.

It is an arithmetic number, because the mean of its divisors is an integer number (7006254138).

Almost surely, 2^42020132331 is an apocalyptic number.

42020132331 is a deficient number, since it is larger than the sum of its proper divisors (14029900773).

42020132331 is a wasteful number, since it uses less digits than its factorization.

42020132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797501.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 42020132331 its reverse (13323102024), we get a palindrome (55343234355).

The spelling of 42020132331 in words is "forty-two billion, twenty million, one hundred thirty-two thousand, three hundred thirty-one".