30430143721 has 16 divisors (see below), whose sum is σ = 31952269440. Its totient is φ = 28924853760.

The previous prime is 30430143713. The next prime is 30430143763. The reversal of 30430143721 is 12734103403.

It is a cyclic number.

It is not a de Polignac number, because 30430143721 - 2³ = 30430143713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30430143721.

It is not an unprimeable number, because it can be changed into a prime (30430143421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10793250 + ... + 10796068.

It is an arithmetic number, because the mean of its divisors is an integer number (1997016840).

Almost surely, 2^30430143721 is an apocalyptic number.

It is an amenable number.

30430143721 is a deficient number, since it is larger than the sum of its proper divisors (1522125719).

30430143721 is a wasteful number, since it uses less digits than its factorization.

30430143721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 30430143721 in words is "thirty billion, four hundred thirty million, one hundred forty-three thousand, seven hundred twenty-one".