30102807 has 12 divisors (see below), whose sum is σ = 46690296. Its totient is φ = 17201520.

The previous prime is 30102799. The next prime is 30102817. The reversal of 30102807 is 70820103.

It is not a de Polignac number, because 30102807 - 2³ = 30102799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102817) 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, 102244 + ... + 102537.

It is an arithmetic number, because the mean of its divisors is an integer number (3890858).

Almost surely, 2^30102807 is an apocalyptic number.

30102807 is a deficient number, since it is larger than the sum of its proper divisors (16587489).

30102807 is a wasteful number, since it uses less digits than its factorization.

30102807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204798 (or 204791 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 30102807 is about 5486.6025006373. The cubic root of 30102807 is about 311.0777850877.

The spelling of 30102807 in words is "thirty million, one hundred two thousand, eight hundred seven".