42143610031 has 2 divisors, whose sum is σ = 42143610032. Its totient is φ = 42143610030.

The previous prime is 42143609947. The next prime is 42143610097. The reversal of 42143610031 is 13001634124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42143610031 - 2¹³ = 42143601839 is a prime.

It is a super-2 number, since 2×42143610031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42143609978 and 42143610005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42143610731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071805015 + 21071805016.

It is an arithmetic number, because the mean of its divisors is an integer number (21071805016).

Almost surely, 2^42143610031 is an apocalyptic number.

42143610031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143610031 is an equidigital number, since it uses as much as digits as its factorization.

42143610031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 42143610031 in words is "forty-two billion, one hundred forty-three million, six hundred ten thousand, thirty-one".