30172887303142 has 16 divisors (see below), whose sum is σ = 47243775012192. Its totient is φ = 14425424717440.

The previous prime is 30172887303133. The next prime is 30172887303149. The reversal of 30172887303142 is 24130378827103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30172887303149) 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, 115472659 + ... + 115733662.

It is an arithmetic number, because the mean of its divisors is an integer number (2952735938262).

Almost surely, 2^{30172887303142} is an apocalyptic number.

30172887303142 is a deficient number, since it is larger than the sum of its proper divisors (17070887709050).

30172887303142 is a wasteful number, since it uses less digits than its factorization.

30172887303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231209183.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 30172887303142 in words is "thirty trillion, one hundred seventy-two billion, eight hundred eighty-seven million, three hundred three thousand, one hundred forty-two".