30117427061 has 4 divisors (see below), whose sum is σ = 30480287712. Its totient is φ = 29754566412.

The previous prime is 30117426991. The next prime is 30117427063. The reversal of 30117427061 is 16072471103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16072471103 = 13 ⋅1236343931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30117427061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30117427063) 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, 181430201 + ... + 181430366.

It is an arithmetic number, because the mean of its divisors is an integer number (7620071928).

Almost surely, 2^30117427061 is an apocalyptic number.

It is an amenable number.

30117427061 is a deficient number, since it is larger than the sum of its proper divisors (362860651).

30117427061 is an equidigital number, since it uses as much as digits as its factorization.

30117427061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362860650.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 30117427061 its reverse (16072471103), we get a palindrome (46189898164).

The spelling of 30117427061 in words is "thirty billion, one hundred seventeen million, four hundred twenty-seven thousand, sixty-one".