42120204331 has 8 divisors (see below), whose sum is σ = 43583508000. Its totient is φ = 40657626240.

The previous prime is 42120204311. The next prime is 42120204349. The reversal of 42120204331 is 13340202124.

42120204331 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 42120204331 - 2⁵ = 42120204299 is a prime.

It is a super-2 number, since 2×42120204331² (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 (42120204311) 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, 61935 + ... + 296776.

It is an arithmetic number, because the mean of its divisors is an integer number (5447938500).

Almost surely, 2^42120204331 is an apocalyptic number.

42120204331 is a deficient number, since it is larger than the sum of its proper divisors (1463303669).

42120204331 is a wasteful number, since it uses less digits than its factorization.

42120204331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362789.

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

Adding to 42120204331 its reverse (13340202124), we get a palindrome (55460406455).

The spelling of 42120204331 in words is "forty-two billion, one hundred twenty million, two hundred four thousand, three hundred thirty-one".