42554230331 has 4 divisors (see below), whose sum is σ = 42574089792. Its totient is φ = 42534370872.

The previous prime is 42554230307. The next prime is 42554230349. The reversal of 42554230331 is 13303245524.

42554230331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42554230331 - 2⁶ = 42554230267 is a prime.

It is a super-2 number, since 2×42554230331² (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 (42554230351) 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, 9926516 + ... + 9930801.

It is an arithmetic number, because the mean of its divisors is an integer number (10643522448).

Almost surely, 2^42554230331 is an apocalyptic number.

42554230331 is a deficient number, since it is larger than the sum of its proper divisors (19859461).

42554230331 is a wasteful number, since it uses less digits than its factorization.

42554230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19859460.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 42554230331 its reverse (13303245524), we get a palindrome (55857475855).

The spelling of 42554230331 in words is "forty-two billion, five hundred fifty-four million, two hundred thirty thousand, three hundred thirty-one".