42413131042 has 4 divisors (see below), whose sum is σ = 63619696566. Its totient is φ = 21206565520.

The previous prime is 42413131039. The next prime is 42413131067. The reversal of 42413131042 is 24013131424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35743305481 + 6669825561 = 189059^2 + 81669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42413130998 and 42413131016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10603282759 + ... + 10603282762.

Almost surely, 2^42413131042 is an apocalyptic number.

42413131042 is a deficient number, since it is larger than the sum of its proper divisors (21206565524).

42413131042 is a wasteful number, since it uses less digits than its factorization.

42413131042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21206565523.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42413131042 its reverse (24013131424), we get a palindrome (66426262466).

The spelling of 42413131042 in words is "forty-two billion, four hundred thirteen million, one hundred thirty-one thousand, forty-two".