30807085551 has 32 divisors (see below), whose sum is σ = 47787667200. Its totient is φ = 17446202880.

The previous prime is 30807085531. The next prime is 30807085559. The reversal of 30807085551 is 15558070803.

It is a happy number.

It is not a de Polignac number, because 30807085551 - 2⁷ = 30807085423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30807085559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119556 + ... + 275513.

It is an arithmetic number, because the mean of its divisors is an integer number (1493364600).

Almost surely, 2^30807085551 is an apocalyptic number.

30807085551 is a deficient number, since it is larger than the sum of its proper divisors (16980581649).

30807085551 is a wasteful number, since it uses less digits than its factorization.

30807085551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395239.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 30807085551 in words is "thirty billion, eight hundred seven million, eighty-five thousand, five hundred fifty-one".