30013137 has 72 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 14857920.

The previous prime is 30013133. The next prime is 30013153. The reversal of 30013137 is 73131003.

It is not a de Polignac number, because 30013137 - 2² = 30013133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013133) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 111439 + ... + 111707.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^30013137 is an apocalyptic number.

It is an amenable number.

30013137 is a deficient number, since it is larger than the sum of its proper divisors (27607023).

30013137 is a wasteful number, since it uses less digits than its factorization.

30013137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 30013137 is about 5478.4246823334. The cubic root of 30013137 is about 310.7685992138.

The spelling of 30013137 in words is "thirty million, thirteen thousand, one hundred thirty-seven".