30355032503542 has 4 divisors (see below), whose sum is σ = 45532548755316. Its totient is φ = 15177516251770.

The previous prime is 30355032503513. The next prime is 30355032503567. The reversal of 30355032503542 is 24530523055303.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 30355032503495 and 30355032503504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7588758125884 + ... + 7588758125887.

It is an arithmetic number, because the mean of its divisors is an integer number (11383137188829).

Almost surely, 2^{30355032503542} is an apocalyptic number.

30355032503542 is a deficient number, since it is larger than the sum of its proper divisors (15177516251774).

30355032503542 is a wasteful number, since it uses less digits than its factorization.

30355032503542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15177516251773.

The product of its (nonzero) digits is 810000, while the sum is 40.

Adding to 30355032503542 its reverse (24530523055303), we get a palindrome (54885555558845).

The spelling of 30355032503542 in words is "thirty trillion, three hundred fifty-five billion, thirty-two million, five hundred three thousand, five hundred forty-two".