30180987 has 12 divisors (see below), whose sum is σ = 45889480. Its totient is φ = 19061568.

The previous prime is 30180977. The next prime is 30181027. The reversal of 30180987 is 78908103.

It is not a de Polignac number, because 30180987 - 2⁴ = 30180971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30180947) 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, 88078 + ... + 88419.

Almost surely, 2^30180987 is an apocalyptic number.

30180987 is a deficient number, since it is larger than the sum of its proper divisors (15708493).

30180987 is a wasteful number, since it uses less digits than its factorization.

30180987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176522 (or 176519 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 30180987 is about 5493.7225084636. The cubic root of 30180987 is about 311.3468523288.

The spelling of 30180987 in words is "thirty million, one hundred eighty thousand, nine hundred eighty-seven".