30551442113 has 4 divisors (see below), whose sum is σ = 30647819220. Its totient is φ = 30455065008.

The previous prime is 30551442073. The next prime is 30551442193. The reversal of 30551442113 is 31124415503.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8503052944 + 22048389169 = 92212^2 + 148487^2 .

It is a cyclic number.

It is not a de Polignac number, because 30551442113 - 2²⁸ = 30283006657 is a prime.

It is a super-3 number, since 3×30551442113³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30551442193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48188078 + ... + 48188711.

It is an arithmetic number, because the mean of its divisors is an integer number (7661954805).

Almost surely, 2^30551442113 is an apocalyptic number.

It is an amenable number.

30551442113 is a deficient number, since it is larger than the sum of its proper divisors (96377107).

30551442113 is an equidigital number, since it uses as much as digits as its factorization.

30551442113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96377106.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 30551442113 its reverse (31124415503), we get a palindrome (61675857616).

The spelling of 30551442113 in words is "thirty billion, five hundred fifty-one million, four hundred forty-two thousand, one hundred thirteen".