30716289145 has 4 divisors (see below), whose sum is σ = 36859546980. Its totient is φ = 24573031312.

The previous prime is 30716289127. The next prime is 30716289167. The reversal of 30716289145 is 54198261703.

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 21417737104 + 9298552041 = 146348^2 + 96429^2 .

It is a cyclic number.

It is not a de Polignac number, because 30716289145 - 2⁷ = 30716289017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30716289095 and 30716289104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071628910 + ... + 3071628919.

It is an arithmetic number, because the mean of its divisors is an integer number (9214886745).

It is a 2-persistent number, because it is pandigital, and so is 2⋅30716289145 = 61432578290, but 3⋅30716289145 = 92148867435 is not.

Almost surely, 2^30716289145 is an apocalyptic number.

It is an amenable number.

30716289145 is a deficient number, since it is larger than the sum of its proper divisors (6143257835).

30716289145 is an equidigital number, since it uses as much as digits as its factorization.

30716289145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143257834.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 30716289145 in words is "thirty billion, seven hundred sixteen million, two hundred eighty-nine thousand, one hundred forty-five".