42031013424 has 20 divisors (see below), whose sum is σ = 108580118136. Its totient is φ = 14010337792.

The previous prime is 42031013369. The next prime is 42031013471. The reversal of 42031013424 is 42431013024.

42031013424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 42031013394 and 42031013403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437823009 + ... + 437823104.

Almost surely, 2^42031013424 is an apocalyptic number.

It is an amenable number.

42031013424 is an abundant number, since it is smaller than the sum of its proper divisors (66549104712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42031013424 is a wasteful number, since it uses less digits than its factorization.

42031013424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875646124 (or 875646118 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42031013424 its reverse (42431013024), we get a palindrome (84462026448).

The spelling of 42031013424 in words is "forty-two billion, thirty-one million, thirteen thousand, four hundred twenty-four".