30331132 has 12 divisors (see below), whose sum is σ = 57162616. Its totient is φ = 13998960.

The previous prime is 30331123. The next prime is 30331139. The reversal of 30331132 is 23113303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291594 + ... + 291697.

Almost surely, 2^30331132 is an apocalyptic number.

It is an amenable number.

30331132 is a deficient number, since it is larger than the sum of its proper divisors (26831484).

30331132 is a wasteful number, since it uses less digits than its factorization.

30331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583308 (or 583306 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 30331132 is about 5507.3706975289. The cubic root of 30331132 is about 311.8622967826.

Adding to 30331132 its reverse (23113303), we get a palindrome (53444435).

It can be divided in two parts, 303 and 31132, that multiplied together give a triangular number (9432996 = T₄₃₄₃).

The spelling of 30331132 in words is "thirty million, three hundred thirty-one thousand, one hundred thirty-two".