30875423871 has 16 divisors (see below), whose sum is σ = 44068406400. Its totient is φ = 19169752608.

The previous prime is 30875423869. The next prime is 30875423921. The reversal of 30875423871 is 17832457803.

It is not a de Polignac number, because 30875423871 - 2¹ = 30875423869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30875423871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30875422871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4587096 + ... + 4593821.

It is an arithmetic number, because the mean of its divisors is an integer number (2754275400).

Almost surely, 2^30875423871 is an apocalyptic number.

30875423871 is a deficient number, since it is larger than the sum of its proper divisors (13192982529).

30875423871 is a wasteful number, since it uses less digits than its factorization.

30875423871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180998.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 30875423871 in words is "thirty billion, eight hundred seventy-five million, four hundred twenty-three thousand, eight hundred seventy-one".