30511213430 has 16 divisors (see below), whose sum is σ = 56404514160. Its totient is φ = 11874634272.

The previous prime is 30511213427. The next prime is 30511213451. The reversal of 30511213430 is 3431211503.

It is a junction number, because it is equal to n+sod(n) for n = 30511213396 and 30511213405.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41231000 + ... + 41231739.

It is an arithmetic number, because the mean of its divisors is an integer number (3525282135).

Almost surely, 2^30511213430 is an apocalyptic number.

30511213430 is a deficient number, since it is larger than the sum of its proper divisors (25893300730).

30511213430 is a wasteful number, since it uses less digits than its factorization.

30511213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82462783.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 30511213430 its reverse (3431211503), we get a palindrome (33942424933).

The spelling of 30511213430 in words is "thirty billion, five hundred eleven million, two hundred thirteen thousand, four hundred thirty".