30551433122156 has 24 divisors (see below), whose sum is σ = 56279583546480. Its totient is φ = 14471570045952.

The previous prime is 30551433122131. The next prime is 30551433122173. The reversal of 30551433122156 is 65122133415503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4758620 + ... + 9151356.

It is an arithmetic number, because the mean of its divisors is an integer number (2344982647770).

Almost surely, 2^{30551433122156} is an apocalyptic number.

It is an amenable number.

30551433122156 is a deficient number, since it is larger than the sum of its proper divisors (25728150424324).

30551433122156 is a wasteful number, since it uses less digits than its factorization.

30551433122156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484273 (or 4484271 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 30551433122156 its reverse (65122133415503), we get a palindrome (95673566537659).

The spelling of 30551433122156 in words is "thirty trillion, five hundred fifty-one billion, four hundred thirty-three million, one hundred twenty-two thousand, one hundred fifty-six".