42152032431 has 12 divisors (see below), whose sum is σ = 61274081752. Its totient is φ = 27922364496.

The previous prime is 42152032421. The next prime is 42152032487. The reversal of 42152032431 is 13423025124.

42152032431 is a `hidden beast` number, since 4 + 21 + 5 + 203 + 2 + 431 = 666.

It is not a de Polignac number, because 42152032431 - 2¹⁷ = 42151901359 is a prime.

It is a super-2 number, since 2×42152032431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42152032395 and 42152032404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42152032421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14914381 + ... + 14917206.

Almost surely, 2^42152032431 is an apocalyptic number.

42152032431 is a deficient number, since it is larger than the sum of its proper divisors (19122049321).

42152032431 is a wasteful number, since it uses less digits than its factorization.

42152032431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29831750 (or 29831747 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 42152032431 its reverse (13423025124), we get a palindrome (55575057555).

The spelling of 42152032431 in words is "forty-two billion, one hundred fifty-two million, thirty-two thousand, four hundred thirty-one".