42042143131143 has 16 divisors (see below), whose sum is σ = 56686366015200. Its totient is φ = 27713011504640.

The previous prime is 42042143131139. The next prime is 42042143131283. The reversal of 42042143131143 is 34113134124024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42042143131143 - 2² = 42042143131139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042143131103) 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, 60667363 + ... + 61356443.

It is an arithmetic number, because the mean of its divisors is an integer number (3542897875950).

Almost surely, 2^{42042143131143} is an apocalyptic number.

42042143131143 is a deficient number, since it is larger than the sum of its proper divisors (14644222884057).

42042143131143 is a wasteful number, since it uses less digits than its factorization.

42042143131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917682.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 42042143131143 its reverse (34113134124024), we get a palindrome (76155277255167).

The spelling of 42042143131143 in words is "forty-two trillion, forty-two billion, one hundred forty-three million, one hundred thirty-one thousand, one hundred forty-three".