42311201 has 4 divisors (see below), whose sum is σ = 43028400. Its totient is φ = 41594004.

The previous prime is 42311189. The next prime is 42311207. The reversal of 42311201 is 10211324.

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 a de Polignac number, because none of the positive numbers 2^k-42311201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42311207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358511 + ... + 358628.

It is an arithmetic number, because the mean of its divisors is an integer number (10757100).

Almost surely, 2^42311201 is an apocalyptic number.

It is an amenable number.

42311201 is a deficient number, since it is larger than the sum of its proper divisors (717199).

42311201 is an equidigital number, since it uses as much as digits as its factorization.

42311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717198.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 42311201 is about 6504.7060656113. The cubic root of 42311201 is about 348.4590789092.

Adding to 42311201 its reverse (10211324), we get a palindrome (52522525).

The spelling of 42311201 in words is "forty-two million, three hundred eleven thousand, two hundred one".