42242134142031 has 4 divisors (see below), whose sum is σ = 56322845522712. Its totient is φ = 28161422761352.

The previous prime is 42242134142027. The next prime is 42242134142053. The reversal of 42242134142031 is 13024143124224.

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

It is a cyclic number.

It is not a de Polignac number, because 42242134142031 - 2² = 42242134142027 is a prime.

It is a super-2 number, since 2×42242134142031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42242134141983 and 42242134142001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242134142081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040355690336 + ... + 7040355690341.

It is an arithmetic number, because the mean of its divisors is an integer number (14080711380678).

Almost surely, 2^{42242134142031} is an apocalyptic number.

42242134142031 is a deficient number, since it is larger than the sum of its proper divisors (14080711380681).

42242134142031 is a wasteful number, since it uses less digits than its factorization.

42242134142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080711380680.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 42242134142031 its reverse (13024143124224), we get a palindrome (55266277266255).

The spelling of 42242134142031 in words is "forty-two trillion, two hundred forty-two billion, one hundred thirty-four million, one hundred forty-two thousand, thirty-one".