30842682901 has 4 divisors (see below), whose sum is σ = 30866032204. Its totient is φ = 30819333600.

The previous prime is 30842682859. The next prime is 30842682929. The reversal of 30842682901 is 10928624803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10928624803 = 71 ⋅153924293.

It can be written as a sum of positive squares in 2 ways, for example, as 18666663876 + 12176019025 = 136626^2 + 110345^2 .

It is a cyclic number.

It is not a de Polignac number, because 30842682901 - 2²¹ = 30840585749 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 (30842682931) 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, 11672670 + ... + 11675311.

It is an arithmetic number, because the mean of its divisors is an integer number (7716508051).

Almost surely, 2^30842682901 is an apocalyptic number.

It is an amenable number.

30842682901 is a deficient number, since it is larger than the sum of its proper divisors (23349303).

30842682901 is a wasteful number, since it uses less digits than its factorization.

30842682901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23349302.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 30842682901 in words is "thirty billion, eight hundred forty-two million, six hundred eighty-two thousand, nine hundred one".