30133143 has 12 divisors (see below), whose sum is σ = 43611048. Its totient is φ = 20049360.

The previous prime is 30133141. The next prime is 30133171. The reversal of 30133143 is 34133103.

It is not a de Polignac number, because 30133143 - 2¹ = 30133141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2008 + ... + 8018.

It is an arithmetic number, because the mean of its divisors is an integer number (3634254).

Almost surely, 2^30133143 is an apocalyptic number.

30133143 is a deficient number, since it is larger than the sum of its proper divisors (13477905).

30133143 is a wasteful number, since it uses less digits than its factorization.

30133143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574 (or 6571 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30133143 is about 5489.3663568758. The cubic root of 30133143 is about 311.1822458608.

Adding to 30133143 its reverse (34133103), we get a palindrome (64266246).

It can be divided in two parts, 30133 and 143, that added together give a square (30276 = 174²).

The spelling of 30133143 in words is "thirty million, one hundred thirty-three thousand, one hundred forty-three".