42419131 has 12 divisors (see below), whose sum is σ = 46290688. Its totient is φ = 38835072.

The previous prime is 42419123. The next prime is 42419149. The reversal of 42419131 is 13191424.

It is a happy number.

It is not a de Polignac number, because 42419131 - 2³ = 42419123 is a prime.

It is a super-2 number, since 2×42419131² = 3598765349590322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42419096 and 42419105.

It is not an unprimeable number, because it can be changed into a prime (42419231) 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, 8710 + ... + 12676.

Almost surely, 2^42419131 is an apocalyptic number.

42419131 is a deficient number, since it is larger than the sum of its proper divisors (3871557).

42419131 is a wasteful number, since it uses less digits than its factorization.

42419131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 4021 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 42419131 is about 6512.9970827569. The cubic root of 42419131 is about 348.7551175793.

The spelling of 42419131 in words is "forty-two million, four hundred nineteen thousand, one hundred thirty-one".