30312842117 has 4 divisors (see below), whose sum is σ = 31908254880. Its totient is φ = 28717429356.

The previous prime is 30312842083. The next prime is 30312842141. The reversal of 30312842117 is 71124821303.

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 30312842117 - 2¹⁰ = 30312841093 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 (30312842017) 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, 797706353 + ... + 797706390.

It is an arithmetic number, because the mean of its divisors is an integer number (7977063720).

Almost surely, 2^30312842117 is an apocalyptic number.

It is an amenable number.

30312842117 is a deficient number, since it is larger than the sum of its proper divisors (1595412763).

30312842117 is a wasteful number, since it uses less digits than its factorization.

30312842117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595412762.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 30312842117 in words is "thirty billion, three hundred twelve million, eight hundred forty-two thousand, one hundred seventeen".