30173142857143 has 12 divisors (see below), whose sum is σ = 35642937987288. Its totient is φ = 25320119878560.

The previous prime is 30173142857063. The next prime is 30173142857227. The reversal of 30173142857143 is 34175824137103.

It is not a de Polignac number, because 30173142857143 - 2¹⁷ = 30173142726071 is a prime.

It is a super-2 number, since 2×30173142857143² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30173142851143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8115421180 + ... + 8115424897.

It is an arithmetic number, because the mean of its divisors is an integer number (2970244832274).

Almost surely, 2^{30173142857143} is an apocalyptic number.

30173142857143 is a deficient number, since it is larger than the sum of its proper divisors (5469795130145).

30173142857143 is a wasteful number, since it uses less digits than its factorization.

30173142857143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230846114 (or 16230846101 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 30173142857143 in words is "thirty trillion, one hundred seventy-three billion, one hundred forty-two million, eight hundred fifty-seven thousand, one hundred forty-three".