30934188017 has 4 divisors (see below), whose sum is σ = 30934632960. Its totient is φ = 30933743076.

The previous prime is 30934187959. The next prime is 30934188029. The reversal of 30934188017 is 71088143903.

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 a cyclic number.

It is not a de Polignac number, because 30934188017 - 2⁸ = 30934187761 is a prime.

It is a super-2 number, since 2×30934188017² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30934188317) 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, 93113 + ... + 265590.

It is an arithmetic number, because the mean of its divisors is an integer number (7733658240).

Almost surely, 2^30934188017 is an apocalyptic number.

It is an amenable number.

30934188017 is a deficient number, since it is larger than the sum of its proper divisors (444943).

30934188017 is an equidigital number, since it uses as much as digits as its factorization.

30934188017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444942.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 30934188017 in words is "thirty billion, nine hundred thirty-four million, one hundred eighty-eight thousand, seventeen".