30131332 has 24 divisors (see below), whose sum is σ = 65741760. Its totient is φ = 11739360.

The previous prime is 30131329. The next prime is 30131333. The reversal of 30131332 is 23313103.

It is not an unprimeable number, because it can be changed into a prime (30131333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48607 + ... + 49222.

It is an arithmetic number, because the mean of its divisors is an integer number (2739240).

Almost surely, 2^30131332 is an apocalyptic number.

It is an amenable number.

30131332 is an abundant number, since it is smaller than the sum of its proper divisors (35610428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131332 is a wasteful number, since it uses less digits than its factorization.

30131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97851 (or 97849 counting only the distinct ones).

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

The square root of 30131332 is about 5489.2013991108. The cubic root of 30131332 is about 311.1760117247.

Adding to 30131332 its reverse (23313103), we get a palindrome (53444435).

The spelling of 30131332 in words is "thirty million, one hundred thirty-one thousand, three hundred thirty-two".