30005544231 has 48 divisors (see below), whose sum is σ = 49795178400. Its totient is φ = 17828149248.

The previous prime is 30005544209. The next prime is 30005544241. The reversal of 30005544231 is 13244550003.

It is not a de Polignac number, because 30005544231 - 2⁵ = 30005544199 is a prime.

It is a super-2 number, since 2×30005544231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30005544195 and 30005544204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30005544241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18951 + ... + 245703.

It is an arithmetic number, because the mean of its divisors is an integer number (1037399550).

Almost surely, 2^30005544231 is an apocalyptic number.

30005544231 is a deficient number, since it is larger than the sum of its proper divisors (19789634169).

30005544231 is a wasteful number, since it uses less digits than its factorization.

30005544231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226817 (or 226798 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 30005544231 in words is "thirty billion, five million, five hundred forty-four thousand, two hundred thirty-one".