142271431305 has 16 divisors (see below), whose sum is σ = 227639522880. Its totient is φ = 75876352448.

The previous prime is 142271431297. The next prime is 142271431369. The reversal of 142271431305 is 503134172241.

It is a cyclic number.

It is not a de Polignac number, because 142271431305 - 2³ = 142271431297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821434 + ... + 979436.

It is an arithmetic number, because the mean of its divisors is an integer number (14227470180).

Almost surely, 2^142271431305 is an apocalyptic number.

142271431305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142271431305 is a deficient number, since it is larger than the sum of its proper divisors (85368091575).

142271431305 is a wasteful number, since it uses less digits than its factorization.

142271431305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218040.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 142271431305 in words is "one hundred forty-two billion, two hundred seventy-one million, four hundred thirty-one thousand, three hundred five".