30227145921 has 96 divisors (see below), whose sum is σ = 53174415360. Its totient is φ = 17128933920.

The previous prime is 30227145881. The next prime is 30227145929. The reversal of 30227145921 is 12954172203.

30227145921 is a `hidden beast` number, since 30 + 2 + 27 + 14 + 592 + 1 = 666.

It is not a de Polignac number, because 30227145921 - 2²⁷ = 30092928193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30227145929) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13608591 + ... + 13610811.

It is an arithmetic number, because the mean of its divisors is an integer number (553900160).

Almost surely, 2^30227145921 is an apocalyptic number.

It is an amenable number.

30227145921 is a deficient number, since it is larger than the sum of its proper divisors (22947269439).

30227145921 is an equidigital number, since it uses as much as digits as its factorization.

30227145921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 30227145921 in words is "thirty billion, two hundred twenty-seven million, one hundred forty-five thousand, nine hundred twenty-one".