42312310221 has 8 divisors (see below), whose sum is σ = 56430980704. Its totient is φ = 28200923280.

The previous prime is 42312310211. The next prime is 42312310231. The reversal of 42312310221 is 12201321324.

42312310221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42312310211) and next prime (42312310231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42312310221 - 2²¹ = 42310213069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312310211) 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, 1807315 + ... + 1830576.

It is an arithmetic number, because the mean of its divisors is an integer number (7053872588).

Almost surely, 2^42312310221 is an apocalyptic number.

It is an amenable number.

42312310221 is a deficient number, since it is larger than the sum of its proper divisors (14118670483).

42312310221 is a wasteful number, since it uses less digits than its factorization.

42312310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641771.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42312310221 its reverse (12201321324), we get a palindrome (54513631545).

The spelling of 42312310221 in words is "forty-two billion, three hundred twelve million, three hundred ten thousand, two hundred twenty-one".