42303355031 has 4 divisors (see below), whose sum is σ = 48346691472. Its totient is φ = 36260018592.

The previous prime is 42303355021. The next prime is 42303355069. The reversal of 42303355031 is 13055330324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42303355031 - 2¹⁰ = 42303354007 is a prime.

It is a super-3 number, since 3×42303355031³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42303354985 and 42303355003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303355021) 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, 3021668210 + ... + 3021668223.

It is an arithmetic number, because the mean of its divisors is an integer number (12086672868).

Almost surely, 2^42303355031 is an apocalyptic number.

42303355031 is a deficient number, since it is larger than the sum of its proper divisors (6043336441).

42303355031 is an equidigital number, since it uses as much as digits as its factorization.

42303355031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043336440.

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 42303355031 its reverse (13055330324), we get a palindrome (55358685355).

The spelling of 42303355031 in words is "forty-two billion, three hundred three million, three hundred fifty-five thousand, thirty-one".