42719311 has 8 divisors (see below), whose sum is σ = 43294464. Its totient is φ = 42147840.

The previous prime is 42719309. The next prime is 42719321. The reversal of 42719311 is 11391724.

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 42719311 - 2¹ = 42719309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42719311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719321) 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, 28306 + ... + 29776.

It is an arithmetic number, because the mean of its divisors is an integer number (5411808).

Almost surely, 2^42719311 is an apocalyptic number.

42719311 is a deficient number, since it is larger than the sum of its proper divisors (575153).

42719311 is a wasteful number, since it uses less digits than its factorization.

42719311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its digits is 1512, while the sum is 28.

The square root of 42719311 is about 6536.0011474907. The cubic root of 42719311 is about 349.5758426432.

The spelling of 42719311 in words is "forty-two million, seven hundred nineteen thousand, three hundred eleven".