42334431401 has 4 divisors (see below), whose sum is σ = 43235164032. Its totient is φ = 41433698772.

The previous prime is 42334431383. The next prime is 42334431409. The reversal of 42334431401 is 10413443324.

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 42334431401 - 2¹⁰ = 42334430377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42334431409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450366245 + ... + 450366338.

It is an arithmetic number, because the mean of its divisors is an integer number (10808791008).

Almost surely, 2^42334431401 is an apocalyptic number.

It is an amenable number.

42334431401 is a deficient number, since it is larger than the sum of its proper divisors (900732631).

42334431401 is an equidigital number, since it uses as much as digits as its factorization.

42334431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900732630.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42334431401 its reverse (10413443324), we get a palindrome (52747874725).

The spelling of 42334431401 in words is "forty-two billion, three hundred thirty-four million, four hundred thirty-one thousand, four hundred one".