42289311 has 8 divisors (see below), whose sum is σ = 56471040. Its totient is φ = 28150232.

The previous prime is 42289277. The next prime is 42289333. The reversal of 42289311 is 11398224.

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

It is a cyclic number.

It is not a de Polignac number, because 42289311 - 2¹³ = 42281119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42289361) 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, 8271 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (7058880).

Almost surely, 2^42289311 is an apocalyptic number.

42289311 is a deficient number, since it is larger than the sum of its proper divisors (14181729).

42289311 is a wasteful number, since it uses less digits than its factorization.

42289311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21325.

The product of its digits is 3456, while the sum is 30.

The square root of 42289311 is about 6503.0232200108. The cubic root of 42289311 is about 348.3989759509.

The spelling of 42289311 in words is "forty-two million, two hundred eighty-nine thousand, three hundred eleven".