42416013231 has 32 divisors (see below), whose sum is σ = 66163232000. Its totient is φ = 26782013664.

The previous prime is 42416013223. The next prime is 42416013253. The reversal of 42416013231 is 13231061424.

It is a happy number.

42416013231 is a `hidden beast` number, since 4 + 2 + 416 + 0 + 13 + 231 = 666.

It is not a de Polignac number, because 42416013231 - 2³ = 42416013223 is a prime.

It is a super-2 number, since 2×42416013231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42416013195 and 42416013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42416013281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2509896 + ... + 2526738.

It is an arithmetic number, because the mean of its divisors is an integer number (2067601000).

Almost surely, 2^42416013231 is an apocalyptic number.

42416013231 is a deficient number, since it is larger than the sum of its proper divisors (23747218769).

42416013231 is a wasteful number, since it uses less digits than its factorization.

42416013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21780 (or 21774 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 42416013231 its reverse (13231061424), we get a palindrome (55647074655).

The spelling of 42416013231 in words is "forty-two billion, four hundred sixteen million, thirteen thousand, two hundred thirty-one".