30143424291 has 32 divisors (see below), whose sum is σ = 42195686400. Its totient is φ = 19118347776.

The previous prime is 30143424277. The next prime is 30143424299. The reversal of 30143424291 is 19242434103.

It is not a de Polignac number, because 30143424291 - 2⁷ = 30143424163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30143424299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7442635 + ... + 7446683.

It is an arithmetic number, because the mean of its divisors is an integer number (1318615200).

Almost surely, 2^30143424291 is an apocalyptic number.

30143424291 is a deficient number, since it is larger than the sum of its proper divisors (12052262109).

30143424291 is a wasteful number, since it uses less digits than its factorization.

30143424291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 30143424291 its reverse (19242434103), we get a palindrome (49385858394).

The spelling of 30143424291 in words is "thirty billion, one hundred forty-three million, four hundred twenty-four thousand, two hundred ninety-one".