30512043534 has 24 divisors (see below), whose sum is σ = 70987204008. Its totient is φ = 8717726640.

The previous prime is 30512043511. The next prime is 30512043563. The reversal of 30512043534 is 43534021503.

It is a super-2 number, since 2×30512043534² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51890937 + ... + 51891524.

It is an arithmetic number, because the mean of its divisors is an integer number (2957800167).

Almost surely, 2^30512043534 is an apocalyptic number.

30512043534 is an abundant number, since it is smaller than the sum of its proper divisors (40475160474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30512043534 is a wasteful number, since it uses less digits than its factorization.

30512043534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103782480 (or 103782473 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 30512043534 in words is "thirty billion, five hundred twelve million, forty-three thousand, five hundred thirty-four".