142186464031 has 2 divisors, whose sum is σ = 142186464032.
Its totient is φ = 142186464030.
The previous prime is 142186463981. The next prime is 142186464041. The reversal of 142186464031 is 130464681241.
142186464031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142186464031 is a prime.
It is a super-2 number, since 2×1421864640312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142186464041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71093232015 + 71093232016.
It is an arithmetic number, because the mean of its divisors is an integer number (71093232016).
Almost surely, 2142186464031 is an apocalyptic number.
142186464031 is a deficient number, since it is larger than the sum of its proper divisors (1).
142186464031 is an equidigital number, since it uses as much as digits as its factorization.
142186464031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 110592, while the sum is 40.
The spelling of 142186464031 in words is "one hundred forty-two billion, one hundred eighty-six million, four hundred sixty-four thousand, thirty-one".