30755442153 has 4 divisors (see below), whose sum is σ = 41007256208. Its totient is φ = 20503628100.

The previous prime is 30755442149. The next prime is 30755442161. The reversal of 30755442153 is 35124455703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30755442153 - 2² = 30755442149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30755442103) 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 3 ways as a sum of consecutive naturals, for example, 5125907023 + ... + 5125907028.

It is an arithmetic number, because the mean of its divisors is an integer number (10251814052).

Almost surely, 2^30755442153 is an apocalyptic number.

It is an amenable number.

30755442153 is a deficient number, since it is larger than the sum of its proper divisors (10251814055).

30755442153 is a wasteful number, since it uses less digits than its factorization.

30755442153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251814054.

The product of its (nonzero) digits is 252000, while the sum is 39.

Adding to 30755442153 its reverse (35124455703), we get a palindrome (65879897856).

The spelling of 30755442153 in words is "thirty billion, seven hundred fifty-five million, four hundred forty-two thousand, one hundred fifty-three".