30542403231 has 6 divisors (see below), whose sum is σ = 44116804680. Its totient is φ = 20361602148.

The previous prime is 30542403223. The next prime is 30542403253. The reversal of 30542403231 is 13230424503.

30542403231 is a `hidden beast` number, since 3 + 0 + 5 + 424 + 0 + 3 + 231 = 666.

It is not a de Polignac number, because 30542403231 - 2³ = 30542403223 is a prime.

It is a super-2 number, since 2×30542403231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30542403195 and 30542403204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542403631) 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 5 ways as a sum of consecutive naturals, for example, 1696800171 + ... + 1696800188.

It is an arithmetic number, because the mean of its divisors is an integer number (7352800780).

Almost surely, 2^30542403231 is an apocalyptic number.

30542403231 is a deficient number, since it is larger than the sum of its proper divisors (13574401449).

30542403231 is a wasteful number, since it uses less digits than its factorization.

30542403231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393600365 (or 3393600362 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 30542403231 its reverse (13230424503), we get a palindrome (43772827734).

The spelling of 30542403231 in words is "thirty billion, five hundred forty-two million, four hundred three thousand, two hundred thirty-one".