30321130143 has 16 divisors (see below), whose sum is σ = 40955677056. Its totient is φ = 19950816480.

The previous prime is 30321130139. The next prime is 30321130157. The reversal of 30321130143 is 34103112303.

It is not a de Polignac number, because 30321130143 - 2² = 30321130139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321130643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194596 + ... + 313862.

It is an arithmetic number, because the mean of its divisors is an integer number (2559729816).

Almost surely, 2^30321130143 is an apocalyptic number.

30321130143 is a deficient number, since it is larger than the sum of its proper divisors (10634546913).

30321130143 is a wasteful number, since it uses less digits than its factorization.

30321130143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120374.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30321130143 its reverse (34103112303), we get a palindrome (64424242446).

The spelling of 30321130143 in words is "thirty billion, three hundred twenty-one million, one hundred thirty thousand, one hundred forty-three".