42731404441571 has 16 divisors (see below), whose sum is σ = 44833691317248. Its totient is φ = 40674380925600.

The previous prime is 42731404441501. The next prime is 42731404441597. The reversal of 42731404441571 is 17514440413724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42731404441571 - 2³⁴ = 42714224572387 is a prime.

It is a super-2 number, since 2×42731404441571² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42731404441501) 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, 143012696 + ... + 143311178.

It is an arithmetic number, because the mean of its divisors is an integer number (2802105707328).

Almost surely, 2^{42731404441571} is an apocalyptic number.

42731404441571 is a deficient number, since it is larger than the sum of its proper divisors (2102286875677).

42731404441571 is a wasteful number, since it uses less digits than its factorization.

42731404441571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374282.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 42731404441571 in words is "forty-two trillion, seven hundred thirty-one billion, four hundred four million, four hundred forty-one thousand, five hundred seventy-one".