33030420143 has 20 divisors (see below), whose sum is σ = 38622204720. Its totient is φ = 28246395744.

The previous prime is 33030420131. The next prime is 33030420151. The reversal of 33030420143 is 34102403033.

It is not a de Polignac number, because 33030420143 - 2¹⁸ = 33030157999 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 (33030420103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1038371 + ... + 1069707.

It is an arithmetic number, because the mean of its divisors is an integer number (1931110236).

Almost surely, 2^33030420143 is an apocalyptic number.

33030420143 is a deficient number, since it is larger than the sum of its proper divisors (5591784577).

33030420143 is an frugal number, since it uses more digits than its factorization.

33030420143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31804 (or 31783 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33030420143 its reverse (34102403033), we get a palindrome (67132823176).

The spelling of 33030420143 in words is "thirty-three billion, thirty million, four hundred twenty thousand, one hundred forty-three".