30842061143 has 4 divisors (see below), whose sum is σ = 30924748008. Its totient is φ = 30759374280.

The previous prime is 30842061139. The next prime is 30842061193. The reversal of 30842061143 is 34116024803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34116024803 = 7 ⋅4873717829.

It is a cyclic number.

It is not a de Polignac number, because 30842061143 - 2² = 30842061139 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 (30842061193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41342873 + ... + 41343618.

It is an arithmetic number, because the mean of its divisors is an integer number (7731187002).

Almost surely, 2^30842061143 is an apocalyptic number.

30842061143 is a deficient number, since it is larger than the sum of its proper divisors (82686865).

30842061143 is an equidigital number, since it uses as much as digits as its factorization.

30842061143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82686864.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 30842061143 its reverse (34116024803), we get a palindrome (64958085946).

The spelling of 30842061143 in words is "thirty billion, eight hundred forty-two million, sixty-one thousand, one hundred forty-three".