42122112340313 has 4 divisors (see below), whose sum is σ = 42655303635840. Its totient is φ = 41588921044788.

The previous prime is 42122112340229. The next prime is 42122112340337. The reversal of 42122112340313 is 31304321122124.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42122112340313 - 2²² = 42122108146009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42122112340513) 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, 266595647645 + ... + 266595647802.

It is an arithmetic number, because the mean of its divisors is an integer number (10663825908960).

Almost surely, 2^{42122112340313} is an apocalyptic number.

It is an amenable number.

42122112340313 is a deficient number, since it is larger than the sum of its proper divisors (533191295527).

42122112340313 is an equidigital number, since it uses as much as digits as its factorization.

42122112340313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533191295526.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 42122112340313 its reverse (31304321122124), we get a palindrome (73426433462437).

The spelling of 42122112340313 in words is "forty-two trillion, one hundred twenty-two billion, one hundred twelve million, three hundred forty thousand, three hundred thirteen".