42312171279 has 16 divisors (see below), whose sum is σ = 64482278400. Its totient is φ = 24175912800.

The previous prime is 42312171259. The next prime is 42312171371. The reversal of 42312171279 is 97217121324.

It is a happy number.

42312171279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42312171279 - 2⁹ = 42312170767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312171259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118522 + ... + 314120.

It is an arithmetic number, because the mean of its divisors is an integer number (4030142400).

Almost surely, 2^42312171279 is an apocalyptic number.

42312171279 is a deficient number, since it is larger than the sum of its proper divisors (22170107121).

42312171279 is a wasteful number, since it uses less digits than its factorization.

42312171279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205910.

The product of its digits is 42336, while the sum is 39.

The spelling of 42312171279 in words is "forty-two billion, three hundred twelve million, one hundred seventy-one thousand, two hundred seventy-nine".