42311524 has 6 divisors (see below), whose sum is σ = 74045174. Its totient is φ = 21155760.

The previous prime is 42311519. The next prime is 42311557. The reversal of 42311524 is 42511324.

42311524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41370624 + 940900 = 6432^2 + 970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42311495 and 42311504.

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 as a sum of consecutive naturals, namely, 5288937 + ... + 5288944.

Almost surely, 2^42311524 is an apocalyptic number.

It is an amenable number.

42311524 is a deficient number, since it is larger than the sum of its proper divisors (31733650).

42311524 is a wasteful number, since it uses less digits than its factorization.

42311524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577885 (or 10577883 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 42311524 is about 6504.7308937419. The cubic root of 42311524 is about 348.4599656089.

Adding to 42311524 its reverse (42511324), we get a palindrome (84822848).

The spelling of 42311524 in words is "forty-two million, three hundred eleven thousand, five hundred twenty-four".