30231564873 has 4 divisors (see below), whose sum is σ = 40308753168. Its totient is φ = 20154376580.

The previous prime is 30231564871. The next prime is 30231564887. The reversal of 30231564873 is 37846513203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37846513203 = 3 ⋅12615504401.

It is a cyclic number.

It is not a de Polignac number, because 30231564873 - 2¹ = 30231564871 is a prime.

It is a super-2 number, since 2×30231564873² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30231564871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038594143 + ... + 5038594148.

It is an arithmetic number, because the mean of its divisors is an integer number (10077188292).

Almost surely, 2^30231564873 is an apocalyptic number.

It is an amenable number.

30231564873 is a deficient number, since it is larger than the sum of its proper divisors (10077188295).

30231564873 is a wasteful number, since it uses less digits than its factorization.

30231564873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077188294.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 30231564873 in words is "thirty billion, two hundred thirty-one million, five hundred sixty-four thousand, eight hundred seventy-three".