42143244102031 has 8 divisors (see below), whose sum is σ = 44622315161424. Its totient is φ = 39664179342720.

The previous prime is 42143244102023. The next prime is 42143244102059. The reversal of 42143244102031 is 13020144234124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42143244102031 - 2³ = 42143244102023 is a prime.

It is a super-2 number, since 2×42143244102031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42143244101984 and 42143244102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143244103031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25277181 + ... + 26892793.

It is an arithmetic number, because the mean of its divisors is an integer number (5577789395178).

Almost surely, 2^{42143244102031} is an apocalyptic number.

42143244102031 is a deficient number, since it is larger than the sum of its proper divisors (2479071059393).

42143244102031 is a wasteful number, since it uses less digits than its factorization.

42143244102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150041.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 42143244102031 its reverse (13020144234124), we get a palindrome (55163388336155).

The spelling of 42143244102031 in words is "forty-two trillion, one hundred forty-three billion, two hundred forty-four million, one hundred two thousand, thirty-one".