30031340 has 24 divisors (see below), whose sum is σ = 63694512. Its totient is φ = 11892800.

The previous prime is 30031321. The next prime is 30031363. The reversal of 30031340 is 4313003.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5414 + ... + 9453.

It is an arithmetic number, because the mean of its divisors is an integer number (2653938).

Almost surely, 2^30031340 is an apocalyptic number.

It is an amenable number.

30031340 is an abundant number, since it is smaller than the sum of its proper divisors (33663172).

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

30031340 is a wasteful number, since it uses less digits than its factorization.

30031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14977 (or 14975 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30031340 is about 5480.0857657522. The cubic root of 30031340 is about 310.8314136802.

Adding to 30031340 its reverse (4313003), we get a palindrome (34344343).

The spelling of 30031340 in words is "thirty million, thirty-one thousand, three hundred forty".