42731274141 has 16 divisors (see below), whose sum is σ = 63323286400. Its totient is φ = 28479553344.

The previous prime is 42731274139. The next prime is 42731274163. The reversal of 42731274141 is 14147213724.

It is not a de Polignac number, because 42731274141 - 2¹ = 42731274139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42731274096 and 42731274105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42731274191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121996 + ... + 316773.

It is an arithmetic number, because the mean of its divisors is an integer number (3957705400).

Almost surely, 2^42731274141 is an apocalyptic number.

It is an amenable number.

42731274141 is a deficient number, since it is larger than the sum of its proper divisors (20592012259).

42731274141 is a wasteful number, since it uses less digits than its factorization.

42731274141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442385 (or 442379 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

Adding to 42731274141 its reverse (14147213724), we get a palindrome (56878487865).

The spelling of 42731274141 in words is "forty-two billion, seven hundred thirty-one million, two hundred seventy-four thousand, one hundred forty-one".