9404142031 has 2 divisors, whose sum is σ = 9404142032. Its totient is φ = 9404142030.

The previous prime is 9404142019. The next prime is 9404142061. The reversal of 9404142031 is 1302414049.

9404142031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1302414049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9404142031 - 2¹⁵ = 9404109263 is a prime.

It is a super-5 number, since 5×9404142031⁵ (a number of 51 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9404142061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4702071015 + 4702071016.

It is an arithmetic number, because the mean of its divisors is an integer number (4702071016).

Almost surely, 2^9404142031 is an apocalyptic number.

9404142031 is a deficient number, since it is larger than the sum of its proper divisors (1).

9404142031 is an equidigital number, since it uses as much as digits as its factorization.

9404142031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 9404142031 is about 96974.9556896006. The cubic root of 9404142031 is about 2110.7642336199.

The spelling of 9404142031 in words is "nine billion, four hundred four million, one hundred forty-two thousand, thirty-one".