30120231421 has 8 divisors (see below), whose sum is σ = 34535251520. Its totient is φ = 25733243808.

The previous prime is 30120231373. The next prime is 30120231443. The reversal of 30120231421 is 12413202103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120231421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120231121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7005816 + ... + 7010113.

It is an arithmetic number, because the mean of its divisors is an integer number (4316906440).

Almost surely, 2^30120231421 is an apocalyptic number.

It is an amenable number.

30120231421 is a deficient number, since it is larger than the sum of its proper divisors (4415020099).

30120231421 is a wasteful number, since it uses less digits than its factorization.

30120231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016243.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30120231421 its reverse (12413202103), we get a palindrome (42533433524).

The spelling of 30120231421 in words is "thirty billion, one hundred twenty million, two hundred thirty-one thousand, four hundred twenty-one".