42311465 has 16 divisors (see below), whose sum is σ = 58356480. Its totient is φ = 28848960.

The previous prime is 42311449. The next prime is 42311471. The reversal of 42311465 is 56411324.

42311465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42311465 - 2⁴ = 42311449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (3647280).

Almost surely, 2^42311465 is an apocalyptic number.

It is an amenable number.

42311465 is a deficient number, since it is larger than the sum of its proper divisors (16045015).

42311465 is a wasteful number, since it uses less digits than its factorization.

42311465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872.

The product of its digits is 2880, while the sum is 26.

The square root of 42311465 is about 6504.7263585796. The cubic root of 42311465 is about 348.4598036425.

Adding to 42311465 its reverse (56411324), we get a palindrome (98722789).

The spelling of 42311465 in words is "forty-two million, three hundred eleven thousand, four hundred sixty-five".